the part time premium enigma an assessment of the chilean case proquest denotes formulae omitted working part time has been seen by some researchers public policy advisers and politicians as a way for women to find a balance between home and paid work gregory and connolly 2008 bardasi and gornick 2008 however there is no agreement on the optimal balance indeed there are contrasting views on the subject those in favor suggest that in the absence of part time jobs female labor force participation would be substantially lower sundstrom 1991 dekker 2008 according to this belief women confronted with the choice between working full time and not working at all would opt for the latter on the other hand detractors in european countries assert that part time jobs imply a waste of resources and of investments in human capital since the many part time working women who are highly educated generally make a downward occupational move when they switch from full time to part time work gregory and connolly 2008 manning and petrongolo 2008 furthermore part time jobs have adverse repercussions for the economic well being of part time working women given that public social welfare benefits wage increases and professional development might be scarce for these women leiva 2000 warren 2008 fernandez kranz and others 2011 fernandez kranz and rodriguez planas 2011 in addition in mem ber countries of the organization for economic cooperation and develop ment oecd hourly earnings are lower manning and petrongolo 2008 and employer provided training less common gregory and connolly 2008 connolly and gregory 2009 in part time jobs than in full time jobs further more in those countries though the hourly earnings gap between women and men in full time work has been narrowing the same is not the case for female part time workers and males in full time jobs manning and petrongolo 2008 part time work among women after the birth of their first child is currently responsible for some of the pay gap between men and women kanji 2011 chile s rate of female labor force participation is one of the lowest in latin american countries cepal un eclac 2011 despite female educational attainment that is similar to or higher than that of other latin american countries carrillo gandelman and robano 2013 to increase female labor force partici pation the chilean government is promoting part time and home based work for women although part time work is not as extensive as in other countries the proportion of chilean women working part time has tripled in the past ten years and part time workers now represent more than 20 percent of the female work force national socio economic characterization survey casen 2009 contreras puentes and bravo 2005 show that in chile the female labor force participation rate is positively correlated with education it is not appar ent why female labor force participation is so low discrimination in the labor market or more generally the existent gender wage gap favorable to males nopo 2012 carrillo gandelman and robano 2013 might partially explain the low female participation rate as might cultural factors contreras and plaza 2010 find that women who have internalized machista values are less likely to participate in the labor market despite concerns of endogeneity owing to data limitations contreras and plaza 2010 find a negative rela tionship between female labor force participation and conservative values puentes and ruiz tagle 2011 using the voz de mujer survey analyze the same phenomenon while controlling for possible endogenous relationships 1 they find that cultural factors are not endogenously determined by a woman s labor participation decision on the contrary it seems that whether women work has little effect on cultural factors in the short term according to their study values develop in early childhood rather than during a woman s work ing life interestingly the same 2002 survey that contreras and plaza 2010 used was reapplied by the centro de estudios publicos and released in april 2012

theoretical and empirical specifications issues in travel cost demand studies the ultimate objective of empirical travel cost demand studies is to obtain an estimate of the welfare derived from utilizing outdoor recreational resources thus it is apparent that travel cost demand equations must be linked to utility maximization deyak and smith freeman bockstael and mcconnell hanemann bockstael hanemann and strand we specify a model of utilitymaximizing recreation demand behavior which postulates that individuals choose the total number of days that they wish to spend at the recreation site this total number of recreation days is the product of the number of trips

joint recreation choices and implied values of time a model of joint recreation quantity choices is developed individuals choose both total time spent at distant sites and the number of trips taken implicitly choosing average on site time the model permits nonzero marginal utility of travel makes on site time endogenous and is linear in the constraints the scarcity value of time is analyzed without assuming the marginal utility of work time is zero a partially testable assumption about relative marginal values of travel and on site time yields nonparametric calculations of the scarcity value of time and marginal values of trips and days on site from people s observed optimal quantity choices

a hedonic travel cost analysis for valuation of multiple components of site quality the recreation value of forest management abstract one benefit of managing forests is that one can alter the qualities of sites the value of changing site qualities however is generally not known this paper develops a formal hedonic travel cost model which can be used to estimate the value of both marginal and non marginal changes to sites the approach accommodates multiple simultaneous changes in site characteristics estimating this model using a set of permits from wilderness areas leads to revealed preference estimates of the recreational value of clear cuts old growth and nine other wilderness attributes

specific experience household structure and intergenerational transfers farm family land and labor arrangements in developing countries data from indian rural household survey was used to test th hypothesis that the coexistence in traditional rural societies of extended intergenerational families infrequent land sales and high reliance on family members as farm laborers is the result of the economic advantages which accrue from the knowledge gained by farming a particular ploy of land over a long period of time the land specific experience of elderly members of a intergenerational household who farmed the land as a child and then as an adult are expecially critical in adverse weather years most previous investigators attributed the existence of multigenerational households the use of family members rather than hired laboreds and the infrequency of land sales to deficiencies in the market i e labor market imperfections and an absence of capital insurance and asset markets in the present investigations these same characteristics are viewed as having an economic advantages a model for estimating the contribution of the experience of the elderly household members to agricultural profits was developed and applied to data from a 3 year panel study of 2900 indian rural farm households the data was collected between 1968 71 by the national council of applied economic research the survey collected information on farm profits farm inputs demographic characteristics and the effects of weather conditions on profits a major limitation of the study was a lack of information on the duration of land ownership age of household members was substituted as a proxy for duration of ownership findings were consistent withe the hypothesis in poor agricultural years gross returns for households which contained an elderly household member were greater than the gross returns for comparable households which did not contain an elderly member the economic advantages of specific knowledge embodied in the experienced elderly farmer were comparable to the economic advantages which accrued to households whose members were more educated the hypothesis cannot fully explain the existence of intergenerational families since there is a relatively large proportion of such families among nonfarm families in many countries including india findings suggest that intergenerational families may provide for more occupational diversity and thereby reduce income risks the specific experience hypothesis has policy implications if technological changes are introduced the value of specific experience may be lost and the frequency of intergenerational households may decline the hypothesis may also explain why farmers are reluctant to agree to land redistribution and consolidation schemes this reluctance may disappear after sufficient technological change has occurred

women s work and economic development using a cross country dataset and microdata from india and thailand we examine how women s work status changes with economic development several clear patterns emerge women s labor force participation first declines and then rises with development women move from work in family enterprises to work as paid employees fertility declines and gender gaps in education narrow women s education levels and those of their spouses appear to be important determinants of women s labor market activities broad welfare indicators such as mortality rates and education levels indicate that women s well being improves on average with development both in absolute terms and relative to men

child fostering in africa when labor and schooling motives may coexist abstract the paper proposes a theoretical framework for understanding purposive child fostering in africa whereby a non orphaned child is sent to live temporarily with relatives in the model adults decide whether to foster in or out a child in conjunction with other household choices e g own time allocation between market and non market activities children s amount of work and schooling by allowing for positive externalities from fostering and thus asymmetric motives for fostering in labor and out human capital the proposed framework predicts that school age children are sent to better off households and that some families may foster in and out simultaneously the model identifies the conditions under which all actors involved children included may benefit from fostering arrangements but also points to situations where fostering may become an opportunity to marginalize a subset of children the paper aims to provide a sound theoretical foundation that sheds light on why there exists mixed empirical evidence on the effects of fostering on children s well being and cautions against demonizing non parent residence as unequivocally detrimental to children

bureaucrats and short term politics this paper proposes a simple probabilistic voting model where the society consists of three groups of voters belonging to different generations since the youngest generation is excluded from participating in elections the political process results in an allocation of public expenditures that is shifted towards public consumption we show that the influence of bureaucrats who favor an excessive supply of public goods increases investment expenditures and limits the leeway of politicians to capture rents for themselves finally we discuss the conditions under which the impact of bureaucrats is welfare enhancing

possibilities for including the opportunity cost of time in recreation demand systems recreation demand modelers have attempted to identify and incorporate the opportunity cost of an individual s time in travel and on site in the model larson 1993b focused on the value of leisure time in a model where individuals face a fixed work week in this paper we examine the connection between labor supply and recreation demands and focus on conditional demand systems we illustrate that corner solution models are not needed to explain several interesting time related recreation issues

estimating local welfare generated by an nfl team under credible threat of relocation this study offers the opportunity to examine the welfare contribution of the minnesota vikings to minnesota households in the context of a credible threat of team relocation we find the credibility of the threat of relocation is essential to providing unbiased estimates of welfare this study utilizes contingent valuation methodology cvm and a random utility model rum to analyze minnesotans decision making mechanisms for supporting a new stadium initiative while previous studies have attempted to measure the welfare associated with a sports franchise we develop and discuss bias that may be imparted to estimates when the researcher fails to calculate a choke price further we develop an unbiased approach to identify welfare when respondents perceive a risk of losing the franchise the range of welfare contribution by the vikings to households in minnesota is 445 3 million to 1 571 3 million according to a 95 confidence interval based on our study

use value of cultural experiences a comparison of contingent valuation and travel cost abstract few applications to assess the value of cultural experiences exist this is particularly frustrating for cultural institutions as it provides them with few opportunities to reveal their importance in terms of attractiveness and thus what drives tourism demand this study applies the travel cost method tcm and contingent valuation method cvm to assess the value of two rural cultural institutions in order to compare the results of the valuation methods the results reveal that visitor experiences consist of a core cultural experience as well as other valuable experiences before and after whereas cvm allows for a valuation of the core cultural experience separately from other experiences the tcm is limited to an overall assessment the tcm is therefore an inappropriate measure of the value of the cultural experiences when the total experience includes several other experiences if visitors travel for the sake of only one cultural experience tcm may be preferable due to its simple applicability and cost efficiency if however as is most often the case a cultural experience is part of a bundle of experiences the application of cvm is recommendable this is also the case if only visitors who state the cultural experience to be the primary reason for travelling are included

revealing preferences for leisure time from stated preference data when consumer choice is constrained by time as well as money willingness to pay can be defined with respect to either numeraire the two measures can be related formally within a utility consistent model of choice subject to two constraints furthermore when information is collected on both the respondent s marginal value of time can be identified a system of willingness to pay time and money and the marginal value of leisure time is estimated jointly in an application to california whalewatching and whale stock enhancement the empirical approach can be applied with only minor additions to survey techniques for nonmarket valuation

income shocks and gender gaps in education evidence from uganda abstract this paper uses exogenous variation in rainfall across districts in uganda to estimate the causal effects of household income shocks on children s enrollment and academic performance conditional on gender i find negative deviations in rainfall from the long term mean to have negative and highly significant effects on female enrollment in primary schools and the effect grows stronger for older girls i find no effect of rainfall variation on the enrollment of boys and young girls moreover i find that when schooling is free of charge and both marginal boys and girls are enrolled a negative income shock has an adverse effect on the test scores of female students while boys are not affected the results imply that households respond to income shocks by varying the amount of schooling and resources provided to girls while boys are to a large extent sheltered a finding consistent with a model where parents values of child labor differ across sexes

using revealed preferences to estimate the value of travel time to recreation sites the opportunity value of travel time vtt is one of the most important elements of the total cost of recreation day trips and arguably the most difficult to estimate most studies build upon the theoretical framework proposed by becker 1965 by using a combination of revealed and stated preference data to estimate a value of time which is uniform in all activities and under all circumstances this restriction is relaxed by deserpa s 1971 model which allows the value of saving time to be activity specific we present the first analysis which uses actual driving choices between open access and toll roads to estimate a vtt specific for recreation trips thereby providing a value which conforms to both becker s and deserpa s theoretical models using these findings we conduct a monte carlo simulation to identify generalizable results for subsequent valuation studies our results indicate that 3 4 of the wage rate provides a reasonable approximation of the average vtt for recreation trips while the commonly implemented assumption of 1 3 of the wage rate generates downward biased results

part time work gender and job satisfaction evidence from a developing country this paper investigates the relationship between part time work and job satisfaction using a recent household survey from honduras in contrast to previous work for developed countries this paper does not find a preference for part time work among women instead both women and men tend to prefer full time work although the preference for working longer hours is stronger for men consistent with an interpretation of working part time as luxury consumption the paper finds that partnered women with children poor women or women working in the informal sector are more likely to prefer full time work than single women partnered women without children non poor women or women working in the formal sector these results have important implications for the design of family and child care policies in low income countries

ex ante valuation of atmospheric visibility in a world incomplete markets for environmental goods ex ante planned expenditures rather than ex post realized outcomes explain the values which individuals attach to these goods we use the distance function to develop restrictions from a model of ex ante consumer behaviour involving these goods a contigent valuation approach is then employed to estimate policy relavant components of the ex ante economic values that recreationists attach to differing subjective probabilities of alternative atmospheric visibility levels at a wilderness location and at an urban location in oregon marginal valuations of probability changes are similar at the two sites marginal rates of time preference for resolving uncertainities vary between 10 and 50 and are inversely related to education existence value averages 10 of total value and evidence is mixed that site specific value act as surrogates for general environmental preferences

the individual travel cost method with consumer specific values of travel time savings the treatment of the opportunity cost of travel time in travel cost models has been an area of research interest for many decades our analysis develops a methodology to combine the travel distance and travel time data with respondent specific estimates of the value of travel time savings vtts the individual vtts are elicited with the use of discrete choice stated preference methods the travel time valuation procedure is integrated into the travel cost valuation exercise to create a two equation structural model of site valuation since the travel time equation of the structural model incorporates individual preference heterogeneity the full structure model provides a travel cost site demand model based upon individualized values of time the methodology is illustrated in a study of recreational birdwatching more specifically visits to a stork village in poland we show that the usual practice of basing respondents vtts on 1 3 of their wage rate is largely unfounded and propose alternatives including a separate component of the travel cost survey aimed at valuation of respondents vtts or as a second best asking if they wish if their journey was shorter and for those who do use full hourly wage as an indicator of their vtts

intra household gender disparity in school choice evidence from private schooling in india abstractthis paper explores gender inequality within households in the decision of private versus government school choice in india using a three period longitudinal dataset on rural households from uttar pradesh a northern state of india this paper estimates a household fixed effects model and finds that there is an intra household gender bias of 6 percentage points in private school enrolment among children aged 6 16 years contrary to the trend in overall enrolment the gender gap in private school choice is rising over time and is more pronounced in villages with a larger cost difference between private and government schooling this finding remains robust even after controlling for average school quality and considering potential endogeneity of the cost variables

input choices in agriculture is there a gender bias summary this paper examines evidence of gender biases in the decisions of agricultural households utilizing data from international crops research institute for the semi arid tropics s village level studies in india 1975 85 the main empirical finding is that households with a high proportion of boys tend to use some agricultural inputs including fertilizers and irrigation services more intensively than households with girls this pattern is more pronounced among wealthier households but does not appear to be driven solely by bequest motives or male child labor productivity

the strategic bequest motive although recent research suggests that intergenerational transfers play an important role in aggregate capital accumulation our understanding of bequest motives remains incomplete we develop a simple model of strategic bequests in which a testator influences the decisions of his beneficiaries by holding wealth in bequeathable forms and by conditioning the division of bequests on the beneficiaries actions the model generates falsifiable empirical predictions that are inconsistent with other theories of intergenerational transfers we present econometric and other evidence that strongly suggests that bequests are often used as compensation for services rendered by beneficiaries

measuring the cost of time in recreation demand analysis comment in the february 1981 issue of the journal mcconnell and strand present a model of recreation demand in which the opportunity cost of an hour of travel to a recreation site is assumed not to equal the average hourly income of the recreating family they test the model with data from a 1978 survey of sportfishermen in the chesapeake bay region simply stated the model hypothesizes that the sportfishermen will behave as if the price of a recreational trip is the sum of cash costs and the opportunity cost of travel time this opportunity cost is hypothesized to be some ratio k of average family income per hour times the travel time mcconnell and strand estimate the value of k by regressing recreation days against cash costs and opportunity cost of time as separate variables the ratio of regression coefficients then is an estimate of k they go on to estimate the ratio k of the opportunity cost of travel to the average income for sportfishermen in the chesapeake bay region the authors hypothesize that the ratio k falls between 0 and 1 implying that sportfishermen value the time in transit lower than their average income when working sufficient conditions for k to equal one include a the tax rate is zero b marginal earnings are constant and c nonwork income equals zero this comment is written to point out certain aspects of the study which may have led to an underestimation of the value of k it is argued that mcconnell and strand have misspecified their demand equation in such a way that their estimate for k 612 is biased downward mcconnell and strand hypothesize the demand relation

reconciling models of recreational route and site choices when employing travel cost models the unit cost of the essential input travel in the household s production of a recreation experience is central to obtaining the preference structure for the recreational good however little attention has been given to the choice of the route although the route defines the monetary and time costs used to compute travel costs conventional wisdom considers time and money costs in determining the cost per mile in the estimation of site choices but does not use both in determining the route choices and mileages this paper investigates whether models of recreational site and route choices can be reconciled

the opportunity cost of travel time in recreation demand models deciding how to allocate forage among animals is a fundamentally important process in range management the wisdom of these decisions can be enhanced by estimating the marginal value of forage needed by competing species we present a method for

recreation evaluation using a characteristics theory of consumer behavior new recreation site or a site whose characteristics have been altered the computer based model is developed from lancaster s theory of consumer behavior and is applied to data from a group of australian ski areas to illustrate the procedural practicalities the estimated shifts in the demand curve for one ski area following specified but hypothetical changes in its characteristics are used to estimate changes in the site s consumers surplus as a basis for cost benefit analysis of these changes in characteristics

comparison of alternative nonmarket valuation methods for an economic assessment of a public program abstract this paper contributes to the discussion of the problem of integrating ecological and economic costs of public programs for mosquito abatement the study illustrates the economic optimum level that could equate marginal cost to marginal benefit the case study of a texas gulf coast county demonstrates that the current largely chemical control program has an estimated benefit cost ratio of about 1 9 whether based on the expenditure function approach or the contingent valuation method costs of short and long run damages to public health and the environment have not been estimated however residents would be willing to pay nearly double the current program cost for ecologically sensitive control measures as they are developed

four models for determining environmental quality effects on recreational demand and regional economics abstract underestimation of regional economic effects associated with the improvement of recreation facilities or environmental quality at a recreation site is likely to result unless all four recreation choice decisions are included in estimates of the first round or direct changes in final demand these four related recreation choices are 1 decision to participate in a given recreation activity 2 decision about which of the available sites to visit 3 decision about the frequency of trips to take to a given site and 4 decision about length of stay at the recreation site recent advances in statistical techniques for modeling each one of these four recreation choice decisions is presented we emphasize how recreation facilities and site environmental quality can be incorporated into such models lastly an empirical example of using a related multinomial logit site selection model and trip frequency model for deer hunting allows us to illustrate how linking two of the four recreation choices yields more complete estimates of the change in number of trips income and employment

combining revealed and stated preferences consistency tests and their interpretations this article models the recreation demand for iowa wetlands combining survey data on both actual usage patterns i e revealed preferences rps and anticipated changes to those patterns under hypothetical increases in trip costs i e stated preferences sps we formulate and test specific hypotheses concerning potential sources of bias in each approach and discuss what can be learned about the validity of the models from such tests

real income equivalence among one earner and two earner families in an earlier paper we proposed a technique for making income comparisons across various household sizes in this paper we employ a modified version of that method to convert nominal income to some real equivalent comparable across families of a given size but with one or two family earners we begin with a discussion of some of the conceptual difficulties involved in making cross family size or structure comparisons in income we then describe spending pattern differences between one and two earner families the final section discusses our effort to convert nominal income into comparable real income units we conclude that nominal income differences between two and one earner families far overstate differences in standards of living excerpt

signals or noise explaining the variation in recreation benefit estimates this paper uses meta analysis to summarize the benefit estimates derived from travel cost recreation demand models after reviewing approximately 200 published and unpublished studies prepared from 1970 to 1986 77 were found to report either consumer surplus estimates or sufficient information to derive them using these estimates of the consumer surplus per unit of use from each study it was possible to evaluate the influence of variables describing the site characteristics the activities undertaken at each site the behavioral assumptions and the specification decisions the findings provide clear support for using econometric methods to summarize results from diverse empirical studies they highlight the important research issues in model development and offer a consistency check to the procedures used in benefit transfer analyses for policy evaluations

where there is a will fertility behavior and sex bias in large families this paper demonstrates that the social institutions of lineage maintenance patrilocality and joint families have a significant role in explaining sex differences in survival and health outcomes in rural india tests using panel data from rural households support this explanation which accounts for 7 percent of excess female mortality in haryana and rajasthan and 4 percent in punjab an institutional explanation suggests limits on the role for public policy in addressing large sex differences in health and mortality outcomes

validation of empirical measures of welfare change a comparison of nonmarket techniques since the passing of the flood control act of 1936 the attention of many resource economists has been directed towards measuring the benefits and costs of alternative uses of natural resources increasingly it has been recognized that the value of some of these uses is not explicitly determined through market transactions this has led to the focus of much attention upon the development of nonmarket methods to estimate the value of these uses in the 1940s the groundwork for the travel cost method was established by hotelling prewitt 1949 following this in the 1960s davis initiated the basic foundation for bidding methods davis 1963 which were later to be subsumed under the heading of contingent valuation methods brookshire randall and stoll 1980 schulze d arge and brookshire 1981 thayer 1981 both of these methods will be further discussed below in addition to these two methods a third approach the unit day value method has been recognized as acceptable but not preferred for the valuation of recreational uses of water and related land resources dwyer kelley and bowes 1977 u s water resources council 1979 given the existence of alternative methods of estimating the value of resource uses several obvious questions arise one of the first of these is under what circumstances is each method most appropriate existing literature has focussed sufficiently on this question and pointed out limitations of each especially the travel cost method and unit day value methods brookshire ives and schulze 1976 dwyer kelly and bowes 1977 freeman 1979 mcconnell 1975 randall ives and eastman 1977 schulze d arge and brook

why do mothers breastfeed girls less than boys evidence and implications for child health in india breastfeeding is negatively correlated with future fertility because nursing temporarily reduces fecundity and because mothers usually wean on becoming pregnant again we model breastfeeding under son biased fertility preferences and show that breastfeeding duration increases with birth order especially near target family size is lowest for daughters and children without older brothers because their parents try again for a son and exhibits the largest gender gap near target family size when gender is most predictive of subsequent fertility data from india confirm each prediction moreover child survival exhibits similar patterns especially in settings where the alternatives to breastmilk are unsanitary

valuing time in travel cost demand analysis an empirical investigation the opportunity cost of time is usu ally a significant part of the price variable in the travel cost demand model thus its accurate mea surement is important to the estimation of demand and benefit valuation for nonmarket resources this paper empirically tests models which assume that income is the basis for opportunity time cost with an alternative pooled model based on a disequi librium labor market for some recreationists ac ceptance of the hypothesis that disequilibrium mod els may be necessary for some individuals implies increased survey information requirements so that the appropriate model can be applied to each indi vidual jel q21

willingness to pay for snowmobile recreation travel cost method models with and without post season resurvey of trip count annual willingness to pay wtp for snowmobile recreation in idaho is estimated using the travel cost method tcm on site snow conditions are important and erratic thus we collect two measures o

the opportunity cost of travel time as a noisy wage fraction few issues are more important to welfare estimation with recreation demand models than the specification of the opportunity cost of travel time the two most common approaches to specifying this cost treat it as a fixed fraction of the recreationist s wage and either estimate the fraction done infrequently or assume it takes some value done commonly with references to results from the commute time literature used to justify the latter however these approaches lack firm conceptual rationales and the consequences of using them are not fully understood recognizing that information limitations often preclude more general approaches we use a joint recreation travel labor supply model to show that under relatively modest assumptions the opportunity cost of travel time can be expressed as a wage fraction with noise this formulation is straightforward to implement as part of random parameters based recreation demand models we then evaluate the welfare consequences of using the two approaches noted above which are special cases of the noisy wage fraction specification our results suggest that the more critical restriction to relax in opportunity cost of travel time specifications is the absence of noise rather than the specific level of the wage fraction

endogenous market structures and innovation by leaders an empirical test models of competition for the market with endogenous market structures show that contrary to the arrow view an endogenous entry threat induces the average firm to invest less in r d and the incumbent leader to invest more we test these predictions using a unique dataset for the german manufacturing sector the mannheim innovation panel in line with our predictions endogenous entry threats as perceived by the firms in survey data reduce r d intensity for an average firm but they increase it for an incumbent leader these results hold after a number of robustness tests with instrumental variable regressions

parental preference heterogeneity and human capital inequality abstract in this article i provide an empirical account of the human capital investment behavior of parents in the face of endowment differences among siblings the data set used contains a three wave panel of 4 030 individuals the article presents a rare case in which endowments are measured explicitly health endowments are estimated from dynamic health production functions while educational endowments are obtained from test scores the simple score of the standard raven s colored progressive matrix cpm test is used to measure educational endowments i use estimation procedures that combine an instrumental variables method with panel data estimators to control for endogeneity and heterogeneity the results suggest that parents compensate for initial differences in health but reinforce initial educational differences among siblings hence an educational subsidy aimed at reducing inequality may end up reinforcing the inequality that might exist in the absence of such subsidy when parents invest mor

separability and the shadow value of leisure time recreation choices are often viewed as short run decisions conditioned on longer run labor supply using weak separability to reflect this relationship the wage rate is the shadow value of time for individuals who get no utility from work whether or not they are observed to be trading time for money in the short run this result widens the circumstances under which the wage rate not some fraction thereof is the theoretically correct shadow value of time modifications to such a conclusion are developed for cases in which work is a source of utility and in which the first stage choice is not continuous

specification of driving costs in models of recreation demand existing recreation demand models have paid much attention to the heterogeneous nature of the opportunity cost of time but generally stipulate constant per mile costs in access price specifications this study proposes two alternative approaches to introduce user specific driving costs into recreation demand models the first approach is based on a refined measurement of driving costs based on engineering considerations the second strategy estimates perceived per mile cost as a function of vehicle attributes in an empirical framework we find strong evidence that driving costs are a visitor specific concept and that prescribed and perceived costs differ substantially however welfare measures generated by these alternative specifications are not statistically different from those produced by the standard model in our application of jet skiing in the lake tahoe region

specification considerations for the price variable in travel cost demand models the travel cost method tcm which is used to impute a value to outdoor recreation resources has traditionally examined the statistical relationship between visit rates to a site and the observed variable travel cost per visit users of the tcm then typically use that statistical relationship to infer a demand relation between visit rates and a schedule of unobserved entry fees in using data on these observed travel costs to infer a behavioral response to unobserved entry fees the tcm will only generate an unbiased estimate of consumer surplus accruing to site visitors in certain circumstances specifically assuming linearity it is required that the estimated linear coefficient bk explaining visits as a function of observed travel costs r f r is equal to the unobserved coefficient bp which explains visits as a function of entry fees price unfortunately nothing guarantees that bc is the same as bp thus in order to obtain an unbiased esti

recreation demand choices and revealed values of leisure time i introduction at least since the work of becker 1965 it has been recognized widely that time may play an important role in consumer demand one of the areas where this may be most significant empirically is in the valuation of natural resource amenities through their associated recreation demands a principal reason is that recreation is a time intensive commodity so that the value of the time spent in recreation would be expected to play a large role in its overall value the potential bias to consumer s surplus estimates of the net economic value of recreation from excluding time prices from the demand model has been recognized from the outset for example by knetsch 1963 and clawson 1959 to incorporate time into recreation demand models researchers have generally adopted the practice suggested by mcconnell 1975 of defining the full price of recreation as the money cost of a trip plus its monetized time cost though the use of full budgets also called for by the becker approach is less widespread bockstael et al 1987 pointed out quite clearly that both full budgets and full prices are required in the demand function if the recreationist is jointly choosing labor supply with recreation at an exogenous marginal wage but that the structure of demand was unclear if the individual was not making such marginal labor supply choices i e if he or she was working fixed hours subsequently larson and shaikh 2001 showed that the full prices full budgets specification is sufficient to satisfy the constraints on demand parameters that arise because choice is made subject to two binding constraints regardless of the individual s position in the labor market they also pointed out that models that use full prices but only money income in effect ignoring the role of time as a resource constraint cannot be consistent with the requirements of choice subject to two constraints although the outlines of how time should enter the structure of demand are becoming clear a major unresolved issue is how to determine its value in practice several studies have followed the basic logic of becker s early work assuming that the opportunity cost of recreation time i e the value of other time forgone in favor of recreation is an exogenous parameter such as the average wage rate or more commonly some fraction thereof this fraction is either chosen arbitrarily or estimated as part of the recreation demand model as in cesario 1976 mcconnell and strand 1981 and smith et al 1983 such assumptions may be erroneous for a variety of reasons assuming the average wage is the appropriate opportunity cost of time presumes that the individual faces no constraints on hours worked derives no utility or disutility from work and has a linear wage function as has been noted by chiswick 1967 bockstael et al 1987 and smith et al 1983 this is unlikely to be true for many people assuming some constant fraction of the wage is the opportunity cost of time especially an arbitrarily chosen fraction also seems likely to be incorrect for most people for all of these reasons an individual s average wage does not necessarily reveal anything about the shadow value of discretionary leisure time either as an upper or lower bound in a recent advance feather and shaw 2000 adapted the heckman 1974 labor supply model to include information supplied by recreationists about their labor supply status in particular whether they felt under or over employed relative to their desired number of hours this information is used to identify subgroups in the data for which the shadow value of leisure time is less than the wage or more than the wage which helps in the estimation of both a wage function and a shadow value of leisure time function this approach produces individual specific estimates of the opportunity cost of leisure time based on their demographics and labor market decisions which are used in a subsequent recreation demand analysis

traditional vs modern production systems price and nonmarket considerations of cacao producers in northern ecuador many factors besides profit maximization such as nonmarket ecological and social benefits influence smallholder households to adopt a specific agricultural production system or sell in a particular market thus different analytical techniques are needed that take into consideration more than monetary income to fully capture these additional benefits to better understand the production decisions of smallholder farmers we build on previous work on the household model and shadow wage estimation to develop a shadow wage for ecuadorian cacao producers that includes these nonmarket benefits we found that the shadow wage correctly indicated that on average these households would prefer to use an agroforestry production system instead of the more profitable modern system because of the nonmarket benefits received from the former system

latent consideration sets and continuous demand systems this paper develops a theoretically consistent continuous demand system model that incorporates latent probabilistic consideration sets in contrast to existing discrete choice consideration models the proposed model is econometrically tractable with consumption data for many goods the model s empirical properties are illustrated with an 89 site recreation data set from the 1994 national survey of recreation and the environment nsre parameter and welfare estimates suggest that the latent consideration set models fit the data better and may imply a bias variance tradeoff relative to traditional models

time is money improved valuation of time and transportation costs the proper valuation of time isimportant for estimating the demand for severaleconomic goods this paper explores the propervaluation of time when estimating recreationaldemand where time costs represent asubstantial portion of the purchase price toestimate demand this paper uses a travel costframework to analyze actual behavior revealedpreference data and hypothetical behavior stated preference data which is induced byhypothetical increases in access fees traveltime and travel distance by comparing theresponses to these three contingencies theanalysis adjusts and improves the valuation oftime costs as evidence of this improvement this analysis demonstrates a great increase inthe consistency between the revealed and stateddata similarly this paper improves thevaluation of transportation related costs

endogenously chosen travel costs and the travel cost model an application to mountain biking at moab utah the travel cost model is frequently used to estimate net willingness to pay for recreation at remote sites by using the visitor s travel costs as a proxy for the price of recreation however some concern has been raised over the validity of using the visitor s stated travel costs as a proxy for price this paper addresses some of these concerns by examining the possible over estimation of consumer surplus due to endogenously chosen travel costs this paper extends past theoretical work for the linear model by developing a correction for endogenously chosen travel costs in more commonly used nonlinear models such as the poisson or count data model also provided is the first empirical test of the presence of endogeneity and an estimate of the magnitude of the error from ignoring endogeneity in travel costs after applying this test and the correction to data that was gathered for mountain biking at moab utah the estimate of consumer surplus falls from us 153 to us 135 which is a 12 reduction

estimation and welfare calculations in a generalized corner solution model with an application to recreation demand the kuhn tucker model of wales and woodland 1983 provides a utility theoretic framework for estimating preferences over commodities for which individuals choose not to consume one or more of the goods due to the complexity of the model however there have been few applications in the literature and little attention has been paid to the problems of welfare analysis within the kuhn tucker framework this paper provides an application of the model to the problem of recreation demand in addition we develop and apply a methodology for estimating compensating variation relying on monte carlo integration to derive expected welfare changes

collective labor supply and welfare the paper develops a general collective model of household labor supply in which agents are characterized by their own possibly altruistic preferences and household decisions are only assumed to be pareto efficient an alternative interpretation is that there are two stages in the internal decision process agents first share nonlabor income according to some given sharing rule then each one optimally chooses his or her own labor supply and consumption this setting is shown to generate testable restrictions on labor supplies moreover the observation of labor supply behavior is sufficient for recovering individual preferences and the sharing rule up to a constant finally the traditional tools of welfare analysis can be adapted to the new setting

accounting for stochastic shadow values of time in discrete choice recreation demand models abstract in this paper a discrete choice recreation demand model that explicitly accounts for a stochastic shadow value of time function is proposed using data from a survey of san diego beach users the stochastic shadow value of time labor supply and beach choice are jointly estimated results from this joint estimation approach are compared with the familiar two step approach that estimates labor supply first and uses predicted values of time in the recreational site choice model the approaches produce markedly different welfare measures with the two step model which does not account for unobserved variability of time values predicting significantly higher values a monte carlo simulation illustrates how ignoring the stochastic nature of shadow value of time in discrete choice recreation demand models can bias model parameters and hence welfare estimates

time and the recreational demand model in this paper a theoretically consistent approach to including time costs in recreational demand models is developed the demand model is conditional on the recreationist s labor market situation for individuals at corner solutions in the labor market utility maximization is subject to two constraints leading to a demand function with travel costs and travel time as independent variables with interior solutions in the labor market time is valued at the wage rate and combined with travel costs to produce one full cost variable in an illustration welfare measures based on the new model are estimated for a sample of sportfishermen

searching for the opportunity cost of an individual s time a traditional assumption made in the literature is that the value of an individual s time spent in any activity is equal to his or her wage rate this result stems from the derivation of the value of leisure time in the context of the standard labor supply model this paper pre sents some reasons why the relationship be tween the wage rate and the value of time does not hold suggestions for what to do when the relationship breaks down and the investigator needs some value to impute to the individual are given in the final section of the paper

short run constraints and the increasing marginal value of time in recreation leisure activities such as local recreation trips usually take place in discrete blocks of time that are surrounded by time devoted to other commitments it can be costly to transfer time between blocks to allow for longer outings these observations affect the value of time within those blocks and suggest that traditional methods for valuing time using labor markets miss important considerations this paper presents a new model for time valuation that uses non employment time commitments to infer the shadow value of time spent in recreation a unique survey that elicited revealed and stated preference data on household time allocation is used to implement the model the results support the conclusion that there is an increasing marginal value of time for recreation as the trip length increases

an extension of omitted cross price variable biases in the linear travel cost model correcting common misperceptions caulkins bishop and bouwes cbb 1985 raise an important issue concerning the conventional presumption of positive bias in consumer surplus when alternative sites are ignored in the travel cost method treatment of site value dwyer kelly and bowes 1977 they analyze a significant geographic dispersion phenomenon which can cause either negative or positive bias in travel cost model tcm estimates of site value when travel costs to alternative sites are omitted however the derivation of specification bias in the tcm which they provide is incomplete and could lead to generalizations which are erroneous cbb use the well known specification bias analysis to discuss the possible effects of ignoring alternative recreation sites in the tcm demand analysis given the estimated linear regression equation

evaluating familial support for the elderly the intrahousehold allocation of medical expenditures in rural pakistan introduction in this article i examine the determinants of medical expenditures on the elderly in rural pakistani households analyzing in particular the dependence of such expenditures on the economic contribution of the elderly to household income the results for older males are contrasted with those for younger males improved life expectancies in the south asian economies as in other developing economies have generated new policy interest in the economic status of the elderly there is however little empirical evidence on this topic while the scant research on the elderly in south asia undoubtedly reflects the fact that they represent one of the smallest demographic groups in these economies it also reflects the widespread belief that they are well provided for by the intergenerational households where the vast majority of them reside with their adult children however this assumption has been questioned by a number of scholars who find that medical expenditures on the elderly are closely correlated with the elderly s individual incomes and wealth household data from pakistan support such claims data on individual medical expenditures and days of illness are available from two household surveys a panel data set collected by the international food policy research institute ifpri and from the pakistan living standards measurement survey lsms both data sets reveal a strong correlation between the number of days of illness reported by adult males and age leading one to expect a similarly strong correlation between medical expenditures and age instead the ifpri data yield a correlation that is less than one would expect given the relationship between illness and age the lsms data set which provides information on many more

outside offers and the gender pay gap empirical evidence from the uk academic labour market using a unique data source on academic economist labour market experiences we explore gender pay and promotions in addition to earnings and productivity measures we have information on outside offers and perceptions of discrimination we find both a gender promotions gap and a within rank gender pay gap a driving factor may be outside offers men receive more outside offers than women of comparable characteristics and gain higher pay increases in response this may arise due to discrimination we find that perceptions of discrimination and also outside job applications correlate with an individual receiving earnings below that expected given their characteristics

theory and estimation of the household production function for wildlife recreation abstract the household production function is an intuitively appealing way to model man s interaction with nature this paper models the interaction between the household s behavior and publicly provided inputs into wildlife recreation the paper shows how to compute benefits assuming that the household production function is known the household production function approach collapses to the simple travel cost approach when households are unable to substitute their own inputs for publicly provided inputs in addition the paper demonstrates the conditions under which the parameters of cost and preference functions can be identified the conditions for identification are quite restrictive when several choices are endogenous

gender of children bargaining power and intrahousehold resource allocation in china abstract based on the prevalent son preference in china this paper proposes a new measure of relative bargaining power within the household using data from china health and nutrition survey we show that a woman with a first born son has a 3 9 percentage points greater role in household decision making than a woman with a first born daughter having a first born son improves the mother s nutrition intakes and reduces her likelihood of being underweight while thinking of these impacts as being channeled through intrahousehold bargaining power we cannot fully rule out other possible direct effects of a first born son on the outcomes

economic growth and the rise of forests although forests have diminished globally over the past 400 years forest cover has increased in some areas including india in the last two decades aggregate time series evidence on forest growth rates and income growth across countries and within india and a newly assembled data set that combines national household survey data census data and satellite images of land use in rural india at the village level over a 29 year period are used to explore the hypothesis that increases in the demand for forest products associated with income and population growth lead to forest growth the evidence is consistent with this hypothesis which also shows that neither the expansion of agricultural productivity nor rising wages in india increased local forest cover

a welfare estimation of beach recreation with aggregate data a single site travel cost recreation demand model for a representative agent visiting a beach is employed that uses an indirect utility function alternative specifications of the expected demand function are estimated with aggregate time series data from a local beach park the estimated parameters are used to compute the value of the consumer surplus the recreational value of the park is expectedly sensitive to the functional form used also own price and income elasticities for various functional forms vary the results from the box cox procedure suggest that the semi log function is the most appropriate for the data used in this study confidence intervals are calculated to deal with the reliability problem of the consumer surplus estimates an alternative algorithm which assumes omitted variable as the source of the error in the demand function is also presented

feature the price of reconciliation part time work families and women s satisfaction while the gender pay gap has been narrowing for women in full time jobs the pay penalty for the 40 of women who work part time has risen reflecting the growing polarisation of part time jobs in low wage occupations a further dimension is that women often experience downgrading from higher skill full time into lower skill part time occupations as women reorganise their working lives around the presence of children their reported hours and job satisfaction are highest in part time work but life satisfaction is scarcely affected by hours of work this feature explores these issues and their challenge for economic efficiency as well as gender equity

a dual approach to modeling corner solutions in recreation demand abstract the dual approach of lee and pitt to estimating demand systems for which individuals often choose not to consume one or more of the available goods provides a utility consistent framework for estimating preferences over visits to recreation sites because of the complexity of the model however this approach has not been applied in the recreation demand literature this paper provides the first application of the model to recreation demand and develops a methodology for conducting welfare analysis relying on monte carlo integration to derive estimates of compensating variation the methods are applied to the demand for fishing in the wisconsin great lakes region

specification bias in contingent valuation from omission of relative price variables the specification bias from omission of relative price variables in contingent valuation functions is investigated omitted variable bias will cause the determinants of willingness to pay wtp to assume zero the omission of relative price variables constitute policy implications forecast values of wtp values will be biased when empirical wtp functions are used the effects of relative prices in empirical valuation functions should be included in future studies of contingent valuation

empirical specification requirements for two constraint models of recreation choice two constraint models are common in recreation demand analysis because of the important role time can play in consumer choices two versions of roy s identity hold for these models and imply coefficient restrictions on empirical demand functions the two constraint restrictions are fully observable and can be expressed in a form analogous to the slutsky hicks equations in single constraint consumer models empirical specifications that use full prices and full budgets can be consistent with the two constraint models when the marginal value of time is either exogenous or endogenous but models with full prices and money income alone are not copyright 2001 oxford university press

expectations bond yields and monetary policy through explicitly incorporating analysts forecasts as observable factors in a dynamic arbitrage free model of the yield curve this research proposes a framework for studying the impact of shifts in market sentiment on interest rates of all maturities an empirical examination reveals that survey expectations about inflation output growth and the anticipated path of monetary policy actions contain important information for explaining movements in bond yields estimates from a forward looking monetary policy rule suggest that the central bank exhibits a preemptive response to inflationary expectations while accommodating output growth and monetary policy expectations forecasted gdp growth plays a significant role in explaining time variation in the market prices of risk the sensitivity of long yields is linked to the persistence of expected inflation under the risk neutral measure models of this type may provide traders and policymakers with a new set of tools for formally assessing the reaction of bond yields to shifts in market expectations the author 2010 published by oxford university press on behalf of the society for financial studies all rights reserved for permissions please e mail journals permissions oxfordjournals org oxford university press

measuring the cost of time in recreation demand analysis an application to sportfishing since the work of cesario and knetsch economists have recognized that the opportunity cost of time plays an important role in determining the demand for outdoor recreation the opportunities one has for spare time are more significant for consumption of time intensive outdoor recreation activities than for other commodities especially nondurables bishop and heberlein illustrate the overwhelming importance of time costs to final recreational values total consumer surplus is nearly four times as large when time costs are added at half the income rate as when time costs were set at zero p 21 despite the recognition economists have neither successfully integrated the costs of time with the methods of recreational demand analysis nor reached a consensus on how it should be measured brown charbonneau and hay state finally the apparently crucial importance of how opportunity cost of time is handled needs further work while we are convinced it is an appropriate concept exactly how it should be included and measured s remains to be determined p 24 several approaches have been taken to include it in the travel cost method one approach brown and nawas gum and martin suggests that time in transit be considered as a separate independent variable another approach bishop and heberlein brown charbonneau hay nicols bowes dwyer cesario and knetsch measures the cost of time and adds it to other costs several approaches have been suggested to measure time costs one approach is simply to choose an hourly wage e g 2 00 per hour or perhaps the minimum wage rate a more flexible but still ad hoc approach is to use some proportion of the individual s wage rate as the opportunity cost of time nichols bowes dwyer the proportion is usually taken from independent studies and used to value the travel time this approach is better than using a constant opportunity cost of time because it allows variation across individuals it suffers because the choice of the percentage of the wage rate is arbitrary independent of the sampled population cesario has discussed the consequences of ignoring time costs and the differences in values arising from alternative measurement approaches in this paper we argue that the opportunity cost of time is some proportion of the individual s market wage rate or income per hour and that this proportion can be determined from sample data this method permits the proportion to vary from one study to another rather than imposing either an arbitrary estimate or one from a sample different from the study s sample

travel time valuation through hedonic regression and the empirical literature of economics in the numerous attempts to estimate the benefits of travel time savings there is a wide diversity in methodology and little agreement on the proper approach to estimation the objective of this paper is to present a different and more thorough approach to an analysis of the valuation of travel time rather than merely providing a single estimate use of an hedonic price function and marginal valuation functions allows analysis of how time savings benefits vary with type of travel distance of trip and socio economic characteristics of the commuter moreover the strength of complementarity between different modes of a multi modal trip can be examined the resulting estimates have implications for commuter transportation policy planning and implementation that differ substantially from those obtainable from a single marginal or average valuation of commutation time the initial analyses involving value of time were simplistic chiefly aimed at measuring the benefits of highway investment programs these studies calculated travel time savings by valuing time at 100 of the wage rate or some variant of it on the assumption that the time was worth that much to the consumer if he could have used it at work in later work on the valuation of travel time and the demand for urban transportation explicit reference was made to the utility affecting nature of time spent travelling 3 4 5 18 34 35 the resultant estimates have diverged widely ranging from 9 4 of the wage rate 35 for auto travel to 42 for commutation 18 with even higher figures more than 100 of the wage rate derived from blackburn s work on inter city air travel demand 4 the model specifications and estimation procedures differed as widely as the results

the impact of household structure on female autonomy in developing countries abstractjoint household structures in which several generations co reside in a single house are common across developing countries such households may confer benefits on all the family members through household public goods with the patriarch exercising greater control over resources therefore the household structure may affect the bargaining power of its members this paper estimates the effect of joint versus nuclear household structure in india on the autonomy of women and their labour force participation and the heterogeneity in the effects by income caste and region i use an instrumental variable approach and find that women living in nuclear households have greater decision making power

empowerment and efficiency tenancy reform in west bengal the paper analyzes the effect of agricultural tenancy laws offering security of tenure to tenants and regulating the share of output that is paid as rent on farm productivity theoretically the net impact of tenancy reform is shown to be a combination of two effects a bargaining power effect and a security of tenure effect analysis of evidence on how contracts and productivity changed after a tenancy reform program was implemented in the indian state of west bengal in the late 1970s suggests that tenancy reform had a positive effect on agricultural productivity there

market opportunities genetic endowments and intrafamily resource distribution child survival in rural india the authors examine how intrafamily resource allocations respond to changes in economic conditions and to genetic differences in children by estimating the determinants of variations in the sex specific survival differentials of rural indian children based on standard census and household survey data they explore in particular the hypothesis that such differences are related to the relative returns to survival with households selectively allocating resources to children in response to variation in sex differences in their expected earnings opportunities as adults data are from the 1961 census and a 1971 household survey excerpt

the regional distribution of public employment theory and evidence abstractthe regional distribution of public employment theory and evidence regional studies this article analyzes the optimal regional pattern of public employment in an information constrained second best redistribution policy it shows that regionally differentiated public employment can serve as an expenditure side tagging device bypassing or relaxing the equity efficiency trade off the optimal pattern exhibits higher levels of public employment in low productivity regions and is more pronounced the higher is the degree of regional inequality empirically using a panel of european regions from 1995 to 2007 the analysis finds evidence that public employment is systematically higher in low productivity regions the latter effect is stronger in countries with higher levels of regional inequality

on the commodity value of travel time in recreational activities the allocation of individual time can have a commodity value if the use of time is enjoyable this paper investigates the commodity value of travel time in recreational activities the study focuses on recreational boating in east texas after specifying a model of multisite recreational demand for boating the commodity value of travel time to each site is estimated implications of the results for the analysis of outdoor recreation are discussed

do parents favor boys in an optimizing model of parental allocation systematic differences in human capital investments betwen the sexes may originate in at least 3 ways 1 parents may respond to expected gender wage differentials 2 parents may respond to systematic differences by gender in the price of human capital investments 3 parental preferences may favor girls or boys in the sense that they value identical outcomes at the same cost more highly for one sex than for the other this paper analyzes the role of parental preferences in general and unequal concern in particular in the allocation of human capital investments among children the authors generalize their earlier model of the human capital investments among children to incorporate the possibility that the returns to such investments may include not only the childs own ecpected earnings but also the expected earnings of his or her spouse thus the model assumes that parents may value returns that accrue trough the marriage market as well as through education the relevant returns to education may include marrying a spouse with higher expected earnings the empirical analysis indicates that gender wage differentials like endowment differentials are mildly reinforced by the parental allocation of human capital investments marriage market outcomes are significant determinants of the allocation of human capital investments among children there is no evidence that parental preferences favor boys this study shows that parental preferences either exhibit equal concern or slightly favor gils

towards a theory of famine relief policy abstract this paper examines how famine mortality is related to the distribution of food consumption a theoretical model is proposed of how individual survival chances are affected by changes in consumption uncertainty in survival prospects arises from the errors made by any observer in assessing health at given current consumption the theory is used to explore two policy issues in famine relief the choice of budgetary rules for allocating emergency aid and the case for price stabilization policies during famines applications to data for two famines in south asia suggest that successful price stabilization would have had substantial benefits in reducing mortality