exploring benefit transfer disamenities of waste transfer stations the benefit transfer method was developed as an alternative way to value externalities using values from studies of similar circumstances carried out at similar sites somewhere else given the challenges and high costs inherent in assessing the actual cost specifically in order to test the performance of the benefit transfer method employing hedonic price models this study focused on estimates of disamenities associated with waste transfer stations at four different cities in israel the sites were intentionally selected to represent a variety of circumstances we transferred the estimated benefit function from a study site to a policy site the goodness of fit was examined by comparing the calculated value with actual data from the policy site to test the sensitivity of the benefit transfer function to socioeconomic and housing characteristics it was repeatedly applied to different sets of observations the findings suggest that a relatively large number of alternative benefit functions are transferable statistical inequality outcome regarding the degree of similarity between samples does not unequivocally rule out the appropriateness of transferring environmental values across studies transfer errors varied between 21 and 29 and the absolute average error for all transfers was 15 4 errors were lower for transfer between relatively similar cities in terms of size and location and between sub samples that were similar in socioeconomic characteristics and housing type however when a site with very dissimilar data was involved the average absolute error rose to 19

heterogeneity in intention to adopt organic strawberry production practices among producers in the federal district brazil abstract despite its benefits adoption of organic farming is low in brazil we used the theory of planned behavior to determine factors that influenced a farmer s decision to adopt organic production methods and identify key social psychological barriers we focused on strawberry production as a model and surveyed 83 conventional strawberry farmers response rate 90 2 and found that attitudes and perceived behavioral control pbc predicted intent to adopt organic production r2 37 2 for farmers interested in conversion beliefs about the improved social financial status from conversion were positively related to their attitude toward conversion and the lack of control over informational and physical resources was negatively related to pbc for farmers disinterested in conversion the influence of their social norms was stronger than for interested farmers and pbc most strongly influenced their intention to convert these results suggest that different strategies should be pursued for encouraging conversion to organic strawberry production for interested farmers their interest may be enhanced by addressing their attitudinal beliefs and allaying concerns over access to technical assistance for disinterested producers it may be important to raise the salience of their positive attitudinal beliefs involve people whose opinions they value and enhance their perceived control over information and risks

the role of benefit transfer in ecosystem service valuation the demand for timely monetary estimates of the economic value of nonmarket ecosystem goods and services has steadily increased over the last few decades this article describes the use of benefit transfer to generate monetary value estimates of ecosystem services specifically the article provides guidance for conducting such benefit transfers and summarizes advancements in benefit transfer methods databases and analysis tools designed to facilitate its application

aversion to health inequalities and priority setting in health care traditionally aversion to health inequality is modelled through a concave utility function over health outcomes bleichrodt et al bleichrodt h diecidue e quiggin j 2004 equity weights in the allocation of health care the rank dependent qaly model journal of health economics 23 157 171 have suggested a dual approach based on the introduction of explicit equity weights the purpose of this paper is to analyze how priorities in health care are determined in the framework of these two models it turns out that policy implications are highly sensitive to the choice of the model that will represent aversion to health inequality

what have we learned since hotelling s letter a meta analysis abstract this paper reports the results of a meta analysis of the estimates of the price elasticity of demand for recreation sites using the travel cost method by using econometric methods to summarize empirical literature meta analysis assists in identifying research conclusions despite the non experimental nature of most empirical research in economics in this application the results suggest that modeling decisions based on theory as well as those relying on fitting criteria were important influences to the estimated price elasticities across studies

recent advances in the valuation of ecosystem services and biodiversity recent interest in the economics of biodiversity and wider ecosystem services has been given empirical expression through a focus upon economic valuation this emphasis has been prompted by a growing recognition that the benefits and opportunity costs associated with such services are frequently given cursory consideration in policy analyses or even completely ignored the valuation of biodiversity and ecosystem services is therefore increasingly seen as a crucial element of robust decision making and this has been reflected in a growing body of related research we provide a critical review of some of this research considering the valuation methods applied to date and focussing upon their limitations in respect to certain categories of ecosystem services particularly cultural services and the applicability of the extant literature to new settings substantial questions also remain at the interface of natural science and economics and we consider the potential contribution of the conceptualization of ecosystems as assets as a response to this challenge as part of this review we also highlight the role which large scale ecosystem assessments have played as an impetus to extending the valuation evidence base and the way in which frameworks and assessments of how ecosystems contribute to human wellbeing might be translated into policy thinking and decision analyses

payments for pioneers revisiting the role of external rewards for sustainable innovation under heterogeneous motivations abstract acknowledging the diversity of preferences goals and motivations of individuals is key to promote the effectiveness of incentive based conservation interventions this paper analyses the heterogeneity of motivations to adopt silvopastoral practices a social ecological innovation for soil conservation and carbon emission reduction we use q methodology to identify smallholders views with regard to these practices in a community in the forest frontier in chiapas mexico the analysis uncovers three main perspectives self sufficient pioneers environmentally conscious followers and payment dependent conservatives we discuss these perspectives around three topics smallholders predisposition to adopt silvopastoral practices their views about needing external payments to sustain their livelihood and the diffusion of innovative sustainable practices we relate these perspectives with livelihood characteristics and with observed adoption levels under a pilot programme to promote silvopasture our findings suggest that incentives other than payments may be more appropriate for those more likely to adopt and that payments could encourage rent seeking strategies and not necessarily promote permanent behavioural change we suggest ways for designing more effective and adaptive environmental conservation programmes to foster adoption and continuation of social ecological innovations

cross context benefit transfer a bayesian search for information pools commodity equivalence and population similarity are two widely accepted paradigms for the valid transfer of welfare estimates across resource valuation contexts we argue that strict adherence to these rules may leave relevant information untapped and propose a bayesian model search algorithm that examines the probabilities with which two or more sub sets of meta data each corresponding to a different combination of commodity and population share common value distributions using a large meta data set of willingness to pay for diverse outdoor activities across various regions of the united states as an example we find strong potential for contexts that would not traditionally be considered as transfer candidates to form information pools exploiting these commonalities leads to substantial efficiency gains for benefit estimates

pressure and the division of a public budget this paper considers the division of a public budget among competing interests the planner determines the optimal allocation by maximizing a weighted social welfare function these weights reflect society s attitudes to different recipient groups and are not constrained to be constant by exerting pressure the recipients can attempt to manipulate the weights and hence influence the division of the budget the amount of resources used on pressure and the effects on the preference weights are calculated an important parameter in the model is the elasticity of pressure for which an appropriate estimate is presented from the case of competition for a share of a health services budget in norway

a bayesian model for benefit transfer application to national parks in spain valuing environmental goods through benefit transfer is based on information from the set of past empirical studies of similar or identical sites this paper proposes a bayesian approach to model prior information on mean consumer surplus the prior distribution is defined as a convex combination of the results from past empirical studies an advantage of the bayesian approach is that the prior distribution could be combined with on site sample information in order to improve predictions on the benefits of the policy site the model is applied to data from national parks in spain the results show that the benefits of policy sites are more sensitive to the prior information for smaller sample sizes this implies that the prior distribution can be seen as a substitute for on site sample information

testing benefits transfer of forest recreation values over a twenty year time horizon we conduct a functional benefit transfer over 20 years of total willingness to pay based on carborne forest recreation in 52 forests using a mixed logit specification of a random utility model and geographic information systems to allow heterogeneous preferences across the population and for heterogeneity over space results show that preferences for some forest attributes such as species diversity and age as well as transport mode have changed significantly over the period updating the transfer model with present total demand for recreation improves the error margins by an average of 282 average errors of the best transfer model remain 25

do contingent valuation estimates pass a scope test a meta analysis abstract this paper considers the scope test proposed to judge the internal consistency of contingent valuation estimates the test is shown to be quite sensitive to the maintained hypotheses required to derive fairly precise expectations for the properties of wtp functions and therefore a different approach may be needed in gauging the reliability of cv this paper describes an approach that relies on a weight of the evidence criterion and uses meta analysis to develop a systematic appraisal of what the economic values of changes in amenity resources are the approach is illustrated for the case of estimating people s willingness to pay for improving or maintaining visibility at the national parks

characterizing the effects of valuation methodology in function based benefits transfer abstract meta analyses have demonstrated that willingness to pay wtp estimates vary systematically according to methodological factors the benefits transfer literature provides little guidance with regard to the treatment of such effects transfers are typically conducted by ignoring such effects using ad hoc adjustments or otherwise suppressing information regarding the sensitivity of wtp to methodological attributes this paper illustrates a means to characterize methodological effects within benefits transfer based on an application of the common bootstrap drawing from meta analysis the approach characterizes the sampling distribution of wtp with respect to patterns of methodological variation present in underlying studies results provide a means to characterize the extent of variation associated with predefined groups of methodological attributes providing transparent information on the sensitivity of wtp not typically available in benefits transfer

choosing a functional form for an international benefit transfer evidence from a nine country valuation experiment abstract this paper investigates the performance of common approaches in international benefit transfer using data from identical and simultaneous contingent valuation studies on marine water quality in nine european countries the environmental good is shared by the study countries but the countries differ substantially in their income levels and other characteristics we compare the performance of value transfers with or without income elasticity of willingness to pay adjustments and function transfers that include only core variables supported by economic theory our results point to a new source of uncertainty associated with function transfer choosing a particular functional form even if only theoretically relevant explanatory variables are used the theory offers no insights with respect to a functional relationship of the dependence e g linear log linear exponential polynomial we show that while different functional forms may offer improvements in model fit this does not necessarily translate to improvements in transfer errors or minimum tolerance levels in our case the value transfer with constant unit income elasticity adjustment corresponding to the log log functional relationship between willingness to pay and income performs the best including additional explanatory variables or using other functional forms worsens the quality of transfers overall our study questions the rationale for using more complicated function transfers in international benefit transfers as the relationships observed within a country or a group of countries does not necessarily translate to dependencies between countries

wind power externalities a meta analysis this study presents the first quantitative meta analysis of the non market valuation literature on the external effects associated with wind power production a data set of 60 observations drawn from 32 studies is constructed the relative economic values of different types of externalities as well as the impact of various methodological and sample characteristics on welfare estimates are examined the results indicate a significant effect of visual externalities on welfare estimates in both directions i e a positive effect of visual improvements and a negative effect of deteriorations this finding corresponds to predictions of the importance of visual impacts in the social science literature external effects of wind power on biodiversity mainly birds do not affect welfare estimates indirect externalities caused by conventional sources of electricity that can be avoided by wind power such as a the reduction of air pollution do neither have a significant impact on welfare measures methodologically we find substantial but inelastic income effects and for choice experiments clear evidence of sensitivity to scope from a policy point of view our results suggest that a policy mix combining a promotion of wind turbines with another green policy facilitates expansion of wind energy

consumers willingness to pay for green electricity a meta analysis of the literature at present electricity generated from power plants using renewable sources costs more than electricity generated from power plants using conventional fuels consumers bear these expenses directly or indirectly through higher prices for renewable energy or taxes the number of studies published over the last few years focusing on people s preferences for renewables has increased steadily making it more and more difficult to identify key explanatory factors that determine people s willingness to pay wtp for renewables we present results of a meta regression on valuation of consumer preferences for a larger share of renewable energy in their electricity mix our meta regression results reveal a number of important factors that explain the differences in wtp values for renewable energy different valuation methods show widely different values with choice experiments producing the highest estimates our results further indicate that consumers wtp for green electricity differs by source with hydropower being the least valued variables that are often omitted from primary valuation studies are important in explaining differences in values these variables describe individual and household characteristics as well as information on the type of power plant that will be replaced by renewables further the marginal effect of a survey conducted in the us is pronounced we also assess the potential for using the results for out of sample value transfer and find a median error of 21 c 2015 elsevier b v all rights reserved

how reliable are meta analyses for international benefit transfers meta analysis has increasingly been used to synthesise the environmental valuation literature but only a few test the use of these analyses for benefit transfer these are typically based on national studies only however meta analyses of valuation studies across countries are a potentially powerful tool for benefit transfer especially for environmental goods where the domestic literature is scarce we test the reliability of such international meta analytic transfers and find that even under conditions of homogeneity in valuation methods cultural and institutional conditions across countries and a meta analysis with large explanatory power the transfer errors could still be large further international meta analytic transfers do not on average perform better than simple value transfers averaging over domestic studies thus we question whether the use of meta analysis for practical benefit transfer achieves reliability gains justifying the increased effort however more meta analytic benefit transfer tests should be performed for other environmental goods and other countries before discarding international meta analysis as a tool for benefit transfer

testing choice experiment for benefit transfer with preference heterogeneity benefit transfer is a cost effective method for estimating the value of environmental goods that relies on information obtained in previous studies the multiattribute approach of choice experiments should provide advantages in terms of benefit transfer allowing differences in environmental improvements between sites as well as differences in socioeconomic and attitude characteristics between respondent populations this article investigates the capability of choice experiment method to be used in environmental benefit transfer when a random parameters approach is used to allow for preference heterogeneity we find that the inclusion of respondents taste heterogeneity reduces the magnitude of the transfer error

disentangling the pure time effect from site and preference heterogeneity effects in benefit transfer an empirical investigation of transferability two identical open ended contingent valuation surveys assessing willingness to pay for better protection against flooding were administered in 2005 and 2010 at the same site the 2010 survey was administered to the same respondents as those interviewed in 2005 as well as to new participants this experimental design allows us to separate the pure temporal dimension from the spatial and social dimensions of transferability thereby permitting an investigation of the temporal reliability associated with a transfer of value estimates over a 5 year time horizon having isolated the pure effect of time the design further allows assessing the social dimension of transferability

reducing barriers in future benefit transfers needed improvements in primary study design and reporting abstract original research provides many social benefits including additions to our stock of knowledge benefit transfer is a formal process whereby our stock of knowledge rather than original research is used to inform decisions any shortcoming in this stock directly affects our ability to conduct valid and reliable benefit transfers this paper discusses three general criteria that are necessary for valid benefit transfers and how original research designs and reporting of results unnecessarily constrain the potential of benefit transfers we make several suggestions regarding how original research through improved design and reporting might increase the validity and reliability of benefit transfers we also recommend that repositories for original research surveys and data be developed to insure long term availability of study information

transferring environmental value estimates issues and alternatives abstract environmental value transfer needs to be understood in the context of scientific information use in general this provides a different perspective upon the reasons why benefit transfer in particular appears so controversial and raises concerns over the limited types of validity testing being undertaken by those supporting such applications as ecosystem services valuation another key issue which we emphasise is the unintentional challenge to standard economic theory raised by the models used to conduct value transfers existing value transfer practice reveals the need for a more inclusive approach if environmental values are to be addressed we argue that there are robust alternative means for including multiple environmental values in decision processes these cannot be dismissed out of hand and analysts should be expanding their understanding of the available approaches which include attitude and norm measures multi criteria analysis and participatory deliberative institutions

implications of spillover effects within the family for medical cost effectiveness analysis medical cost effectiveness analyses traditionally treat patients as isolated individuals and neglect the effects of improvement in patients health on the welfare of their family members we use a model based on a family utility function with altruistic linkages to show that there can be direct and indirect effects on the welfare of all family members we focus specially on a model of how the spillover effects to the spouse in a two person family might affect choice of treatments for prostate cancer we then test the predictions of this model by analyzing treatment choices of prostate cancer patients using the linked seer medicare database we find that our results are consistent with the model s predictions we conclude that cost effectiveness analyses may better reflect the full costs and benefits of medical interventions if they incorporate these family effects however concerns about equity present a dilemma for the practice of cea from the societal perspective

determinants of demand for recreational walking trails in ireland abstract the purpose of this work is to explore how recreational walkers marginal willingness to pay for or travel to irish trails is affected by trail attributes we use principal components data reduction z score data normalization and ols regression analyses on two stated preference datasets covering 302 irish and foreign visitors and recreational experts across 15 sites in ireland between 2005 and 2010 findings reveal that endowment and infrastructure attributes emerge as primary influences affecting demand in particular flat or valley endowed trails and infrastructure including signage amenities and maps or leaflets positively affect demand additionally robustness checks suggest farmer access agreements may also be important on the other hand we find that mountain or hill forest and coastal or lake trails as well as income seem to be negatively associated with demand finally we are able to use these in sample results to extrapolate demand for a set of new relatively unimproved trails in an out of sample demand prediction exercise

optimal medical treatment under asymmetric information a model is developed of patient doctor interaction under asymmetric information it examines how both the probability of consulting and initial health status are semi endogenously determined by a potential patient determining a threshold health level below which he demands a consultation it is shown that the demand elasticity with respect to socio economic variables is lower the more severe the illness the paper also offers a model of the supply side a distinction is established between uncertainty and asymmetric information between the patient and the doctor after deriving the conditions for an equilibrium of the patient doctor interaction payment systems for achieving medical adequacy and pareto efficiency are analysed

meta analysis benefit transfer and methodological covariates implications for transfer error meta regression models in the valuation literature demonstrate that willingness to pay estimates vary according to methodological factors neither theory nor characteristics of policy sites dictate the treatment of associated covariates within benefit transfer however and the literature provides few insights into potential impacts of common empirical treatments this paper introduces a method to systematically characterize the impact of methodological variables on transfer error using a repeated leave one out convergent validity framework the analysis contrasts errors for a hypothetical ideal case in which correct methodological covariate treatments are known to the realistic case in which the correct treatment is unknown results indicate that the common assumption of mean values for methodological covariates leads to only a modest increase in mean transfer error relative to that found in the hypothetical ideal case

adoption of organic farming are there differences between early and late adoption based on the fact that not all farmers adopt a technology at the same time it is argued in this paper that the distinction between groups is important because early medium and late adopters respond differently to economic and non economic factors when they consider whether to take up organic farming or not the individual effects on adoption between the groups are identified by the use of multinomial logit analysis the results provide evidence that there are significant differences in the characteristics between the adopter groups the findings also reveal that the factors that affect adoption play a different role for early medium and late adopters particularly with regard to farming intensity age information gathering as well as attitudes of the farmer more specifically early adopters were the youngest to adopt organic farming and their decisions were found to be less profit related compared to other groups late adoption is constrained by risk considerations while environmental attitudes and social learning were identified to be important determinants for all adopter groups overall the findings strongly suggest that for policy measures to be effective the current state of diffusion has to be taken into account

attitudes and farmer conservation behavior conservation behavior is influenced by the attitudes of farmers and by context variables like income and farm terrain important attitudes were selected by using the theory that fundamental value ranks or weights affect attitudes and that only certain values are important to the conservation decision an extension of the tobit estimation approach handling both censored observations of the dependent variable and measurement error for the nonlimit observations was used conservation behavior models can be improved with a merger of concepts and approaches from social psychology and economics

choices without prices without apologies valuing is usually regarded as a process of compressing information about attributes into a single metric armed with this reduced form of compact information the consumer can consider a particular object with a particular price attached or implied and make an informed decision but the process of valuing is less straightforward than we ordinarily suppose when environmental goods and services become the object of information compaction it is possible that important information is lost we comment on the choice problem germane to environmental goods and services and challenge the presumption that environmental choices made without explicit pricing are inferior to those in which hypothetical valuation studies are undertaken

priority setting in health care and higher order degree change in risk this paper examines how priority setting in health care expenditures is influenced by the presence of uncertainty about the severity of the illness and the effectiveness of medical treatment we provide necessary and sufficient conditions on social preferences under which a social planner will allocate more health care resources to populations at higher risk changes in risk are defined by the concept of stochastic dominance up to order n the shape of the social utility function and an equity weighting function are used to model the inequality aversion of the social planner we show that for higher order risk changes the usual conditions on preferences such as prudence or relative risk aversion are not necessarily required to prioritise health care when there are different levels of uncertainty associated with otherwise similar patient groups

cost effectiveness utility analyses do current decision rules lead us to where we want to be despite the growing literature on economic evaluation of health care programmes little attention has been paid to the theoretical foundations of cost effectiveness and cost utility analyses and the validity of the decision rules adopted as methods of achieving the stated goals we show that although applications of the techniques can be used to pursue some managerial objectives in the context of highly constrained environments such applications are inconsistent with both welfare economic objectives and the interpretations of the findings of these applications alternative strategies are identified as potential and practical methods for pursuing welfare economic objectives

evaluating the performance of benefit transfer an empirical inquiry abstract benefit transfers are used by public agencies needing information on costs and benefits of policy decisions although scientific debate regarding the validity of benefit transfer is ongoing this article develops a methodology to evaluate the performance of direct benefit transfer and benefit function transfer and applies the methodology to two pairs of similar non market amenities empirical results indicate that benefit function transfer is more robust than transfer of average site benefits our results suggest that the circumstances under which benefit function transfer provides valid policy relevant information may be limited and that errors from applying benefit transfer can be quite large even across seemingly similar amenities

determining the parameters in a social welfare function using stated preference data an application to health one way in which economists might determine how best to balance the competing objectives of efficiency and equity is to specify a social welfare function swf this paper looks at how the stated preferences of a sample of the general public can be used to estimate the shape of the swf in the domain of health benefits the results suggest that it is possible to determine the parameters in a social welfare function from stated preference data but show that people are sensitive to what inequalities exist and to the groups across which those inequalities exist

health inequality and non monotonicity of the health related social welfare function in a recent paper in this journal abasolo and tsuchiya abasolo i tsuchiya a 2004 exploring social welfare functions and violation of monotonicity an example from inequalities in health journal of health economics 23 313 329 have strongly argued for the use of a non monotonic health related social welfare function this note discusses both the limitations of the measure proposed by abasolo and tsuchiya abasolo i tsuchiya a 2004 exploring social welfare functions and violation of monotonicity an example from inequalities in health journal of health economics 23 313 329 and the problems associated with their empirics we are able to show how non monotonicity may lead to paradoxical results and policies further we examine the empirics of abasolo and tsuchiya abasolo i tsuchiya a 2004 exploring social welfare functions and violation of monotonicity an example from inequalities in health journal of health economics 23 313 329 and provide an alternative explanation to the observed patterns in the data that do not violate monotonicity finally we briefly mention why the atkinson sen framework may be more appropriate as a way forward

choosing the wrong pond social comparisons in negotiations that reflect a self serving bias we explore the role that choice of comparison groups plays in explaining impasse in teacher contract negotiations we hypothesize that the negotiators select comparable districts in a biased fashion such that teachers salaries in districts that unions view as comparable are higher than teachers salaries in districts that school boards view as comparable we also predict that strike activity is positively related to the difference in the salary levels of the unions and boards lists of comparables we test these predictions using a unique combination of subjective survey and field data on teacher contract negotiations in pennsylvania both hypotheses are supported by the data

on the efficiency fairness trade off this paper deals with a basic issue how does one approach the problem of designing the right objective for a given resource allocation problem the notion of what is right can be fairly nebulous we consider two issues that we see as key efficiency and fairness we approach the problem of designing objectives that account for the natural tension between efficiency and fairness in the context of a framework that captures a number of resource allocation problems of interest to managers more precisely we consider a rich family of objectives that have been well studied in the literature for their fairness properties we deal with the problem of selecting the appropriate objective from this family we characterize the trade off achieved between efficiency and fairness as one selects different objectives and develop several concrete managerial prescriptions for the selection problem based on this trade off finally we demonstrate the value of our framework in a case study that considers air traffic management this paper was accepted by yossi aviv operations management

using choice experiments to value the environment this paper we outline the choice experiment approach to environmental valuation this approach has its roots in lancaster s characteristics theory of value in random utility theory and in experimental design we show how marginal values for the attributes of environmental assets such as forests and rivers can be estimated from pair wise choices as well as the value of the environmental asset as a whole these choice pairs are designed so as to allow efficient statistical estimation of the underlying utility function and to minimise required sample size choice experiments have important advantages over other environmental valuation methods such as contingent valuation and travel cost type models although many design issues remain unresolved applications to environmental issues have so far been relatively limited we illustrate the use of choice experiments with reference to a recent uk study on public preferences for alternative forest landscapes this study allows us to perform a convergent validity test on the choice experiment estimates of willingness to pay

benefits transfer of willingness to pay estimates and functions for health risk reductions a cross country study this paper provides a first application of the techniques of benefits transfer to the health economics literature these techniques seek to transfer the value of some good from one survey context to a new policy context so avoiding the need for new valuation surveys each time a new policy question arises two approaches to benefits transfer are assessed the simple transfer of mean values and the transferral of value functions we develop a new methodology for the latter approach in which value functions are iteratively built up from theoretical principles with transfer errors being tested each time a new variable is added through a novel application of advanced statistical tests we show that this approach outperforms the transferral of statistically driven best fit functions the case study presented focuses upon the transfer of contingent valuation cv willingness to pay wtp estimates and associated value functions for reducing the health risks associated with solar ultraviolet uv exposure common format studies are conducted in four countries with transfers between all of these being undertaken by calculating errors in predicted versus actual values across countries we show that when transferring between similar contexts simple mean value transfers outperform more complex value function transfers with the magnitude of the former errors being encouragingly small however this result is reversed when transfers are undertaken across dissimilar contexts where value functions partially adjust for these differences in summary these findings provide support and guidance for future applications

environmental value transfer state of the art and future prospects abstract the main objectives of the paper are to 1 give an overview of the state of the art of environmental value transfer 2 discuss its prospects and potential role in cba as a decision support tool and 3 provide further guidelines for proper use and application environmental value or benefit transfer is a technique in which the results of studies on monetary environmental valuation are applied to new policy contexts the technique is controversial not least because of academic and political reservations over the usefulness and technical feasibility of economic valuation tools to demonstrate the importance of environmental values in project or programme appraisals testing of environmental value transfer so far has been unable to validate the practice taking into account the conditions set out in the literature for valid and reliable value transfer most transfers appear to result in substantial transfer errors this paper discusses why and addresses the question of which factors may have been overlooked it is argued that the problem is much more fundamental than previously acknowledged strict guidelines in terms of quantitative adjustment mechanisms to valid value transfer are meaningless if the more fundamental issue of differences in the very nature of the values elicited is not addressed at the same time

test retest reliability of the contingent valuation method a comparison of general population and visitor responses the reliability of the contingent valuation method is evaluated by resurveying the same general households and visitors nine months after their original survey test retest correlations on willingness to pay are statistically significant and ranged from 422 for the general population sample to 782 for the visitor sample using a paired t test there was no statistical difference between an individual s first and second reported willingness to pay chow tests comparing the original and resurvey willingness to pay functions showed no statistical difference at the 01 level reported willingness to pay is reasonably stable over the time period surveyed

health inequality and non monotonicity of the health related social welfare function a rejoinder this rejoinder demonstrates that the arguments made in at 2006 are not robust and the case against non monotonic hrswf and their empirics remain overwhelming

what influences the probability of wind farm planning approval evidence from ireland the purpose of this work is to explore the extent to which wind farm planning approvals in the republic of ireland are influenced by project technology institutional processes and site endowments we use principal components data reduction z score data normalization and probit regression analyses on a unique revealed preference dataset covering 354 wind farm applications and planning authority decisions between 1990 and 2011 notably a unique measure of variable importance is employed that mitigates statistical problems and allows for the ranking of predictors according to their relative influences findings reveal that the duration of the local appeal process decisions of local authorities and inspectors identities of the appellants and projects that conflict with strategic development plans or generate visual externalities emerge as key influences affecting planning approval project technology features such as area rated output capacity and hub height as well as site wind endowments appear to be of less but significant importance alternatively we find that proximity to dwellings towns or protected habitats does not influence planning outcomes

sustainable food consumption among young adults in belgium theory of planned behaviour and the role of confidence and values abstract this study investigates determinants of sustainable food consumer behaviour in belgium to gain a better insight in sustainable consumption a study was conducted in which attitudes and behaviour as well as the role of individual characteristics like confidence and values related to sustainable products are analyzed the focus of the analysis is on exploring the influence of determinants as hypothesised by the theory of planned behaviour tpb attitudes perceived behavioural control social norms on sustainable consumption intention in general and specifically depending on consumer s perceived confidence and personal values the empirical research builds on a survey with a sample of 456 young adults using a questionnaire and showing an advertisement for hypothetical sustainable dairy products stepwise multiple regression models showed that 50 of the variance in intention to consume sustainable dairy was explained by the combination of personal attitudes perceived social influences perceived consumer effectiveness and perceived availability in addition different levels of confidence and value orientation yield different strengths of the determinants the findings yield public policy and marketing recommendations for stimulating sustainable food consumption among young adults

spatial patterns of organic agriculture adoption evidence from honduras in low potential agricultural areas like the honduran hillsides characterized by soil degradation and erosion organic agriculture can provide a means to break the downward spiral of resource degradation and poverty we use original survey data to analyze the factors influencing the decision to convert to organic agriculture previous studies have emphasized the role of spatial patterns in the diffusion and adoption of agricultural technologies in general and organic agriculture in particular these spatial patterns can result from a variety of underlying factors in this article we test various potential explanations including the availability of information in the farmer s neighborhood social conformity concerns and perceived positive external effects of the adoption decision in a spatially explicit adoption model we find that farmers who believe to act in accordance with their neighbors expectations and with greater availability of information in their neighborhood network are more likely to adopt organic agriculture furthermore perceived positive productivity spillovers to neighboring plots decrease the probability of adoption we discuss the implications of our findings for the dissemination of sustainable agricultural technologies in low potential agricultural areas in developing countries

qalys and the equity efficiency trade off as the volume of research on quality adjusted life years qalys has increased concern has begun to be expressed about the equity aspects of resource allocation decisions based on the results of this research this paper suggests that a common theme running through the criticisms of the qaly approach is a concern about inequality it also suggests that the method for incorporating distributional concerns which is currently being pursued by advocates of the qaly approach will only ever capture concerns other than a concern about inequality the paper suggests a method for incorporating both sets of concerns into resource allocation decisions

how people respond to contingent valuation questions a verbal protocol analysis of willingness to pay for an environmental regulation abstract this paper investigates what a respondent is thinking when answering a willingness to pay question in a contingent valuation using a think aloud technique from psychology called verbal protocol analysis the willingness to pay responses we observed seem to be constructed from a variety of considerations including an obligation to pay a fair share of the cost of the solution and signaling concern for a larger set of environmental issues the finding that respondents seem to construct their values at the time they are asked rather than reporting a more well defined value is seen as consistent with over two decades of research on the psychology of decision making potential uses of verbal protocols in contingent valuation studies are also discussed

understanding the uptake of organic farming accounting for heterogeneities among irish farmers abstract this paper examines the decisions of irish farmers to convert to organic farming by applying the theory of planned behaviour to control for social influence and technical constraints cluster analysis and principal component analysis are utilised to account for sample heterogeneity and to identify heterogeneities in farmer beliefs regarding adoption of organic methods the results indicate that the impact of economic incentives and technical barriers varies while social acceptance of organic farming constrains adoption these findings suggest that policy incentives mainly based on subsidy payments may be insufficient to increase the organic sector in the presence of social and technical barriers

the validity of environmental benefits transfer further empirical testing this paper provides further empirical evidence of the validity of environmental benefits transfer based on cv studies by expanding the analysis to include control factors which have not been accounted for in previous studies these factors refer to differences in respondent attitudes traditional population characteristics were taken into account but these variables do not explain why respondents from the same socio economic group may still hold different beliefs norms or values and hence have different attitudes and consequently state different wtp amounts the test results are mixed the function transfer approach is valid in one case but is rejected in the 3 other cases investigated in this paper we provide further evidence that in the case of statistically valid benefits transfer the function approach results in a more robust benefits transfer than the unit value approach we also show that the equality of coefficient estimates is a necessary but insufficient condition for valid benefit function transfer and discuss the implications for previous and future validity testing

economic evaluation of health care programmes is cea better than cba it has been noted earlier that during the same period that the contingent valuation cv method evolved and became the most commonly used method of valuing environmental projects the development in health economics was instead been towards cost effectiveness analysis cea recently there has been a growing interest in the use of cea where qalys quality adjusted life years are used as a measure of effectiveness as the method of evaluation for environmental projects the purpose of this paper is to answer the question is cea a superior method to cba both theoretically and empirically to provide information to decision makers for use in decisions on resource allocation in health the paper deals with the following topics the underlying theoretical foundation for cea is cea free of income distribution considerations is qaly a superior measure to wtp the usefulness of incremental ce ratio icer to determine resource allocation the paper concludes that there is neither theoretical nor practical support for the claim about the superiority of cea

relating environmental attitudes and contingent values how robust are methods for identifying preference heterogeneity we assess the importance and robustness of cluster analysis and latent class analysis as methods to account for unobserved heterogeneity we provide a critique and comparison of both methods in the context of measuring environmental attitudes and a contingent valuation study involving endangered species we find strong evidence of robustness for these methods group characterization and assignment of individuals to groups are similar between methods and willingness to pay estimates are consistent in addition there are significant differences in willingness to pay across environmental attitudinal groups and we find that accounting for unobservable heterogeneity provides a significantly better fitting model

international benefit transfer methods and validity tests abstract the use of value estimates measured in one country to value policy changes in another country would seem to introduce some unique issues and challenges even when the good being valued is identical these issues include how should values be converted from one currency to another how to account for differences in measurable characteristics when those can vary markedly between countries especially income and how to account for differences between countries in culture and shared experiences that are difficult to quantify however these challenges in international benefit transfer are not that different from those encountered in transfers between regions within a country and transfer errors are comparable to those seen in intra country transfers

pesticide risk valuation in empirical economics a comparative approach abstract pesticide use in agriculture poses several risks to both human health and nontarget agro ecosystems due to lack of information on the monetary value of reducing pesticide risks it is difficult to perform an economic analysis that addresses social efficiency of policy and draws conclusions about the appropriate degree of regulation the aim of the current paper is to present a critical overview of the empirical literature on pesticide risk valuation that provides disaggregate willingness to pay estimates wtps of pesticide risks reduction recent multidimensional classification methods such as coined decision tree analysis are used in a comparative approach as tools for explaining the differences in empirical research findings the analysis shows that the order of magnitude of wtps is related to both the valuation technique and to the data available from biomedical and ecotoxicological literature it also shows that wtp estimates of pesticide risks cannot be simply averaged over several empirical studies the order of magnitude of a wtp estimate is in fact related to the specific type of risk and to the nature of the risk scenario considered as well to lay people s subjective perception of risks

do stated preference methods stand the test of time a test of the stability of contingent values and models for health risks when facing an extreme event abstract this paper focuses on the temporal stability of dichotomous choice dc contingent values and models and the implication of time related aspects for benefits transfer as a viable valuation method from a practical point of view time plays an important role in benefits transfer results are used from studies often carried out years ago and the obvious question is to what extent the estimated values and models stand the test of time in the case of value function transfer this implies testing the robustness of the estimated coefficient estimates over time the novelty of the temporal stability work presented here is that two identical dc contingent valuation cv studies of the health risks associated with bathing water quality were carried out before and during extreme weather conditions causing the closure of bathing locations for public health reasons differences in contingent values and models before and during the extreme event are tested the extreme event causes the seasonal good in question to become temporarily scarcer and marginal wtp is therefore expected to be higher during the extreme event than before but not that underlying preferences have changed hence basically two things are tested the effect of time on stated preferences for a seasonal good and the effect of the extreme event on these preferences wtp values before and during the event appear to be robust also when accounting for substitution effects the results before and during the extreme event remain transferable when accounting for theoretically expected factors in a simple multivariate transfer model however when introducing additional and contextual ad hoc factors in the model the estimated models and their random components become significantly different and hence not transferable suggesting that unobserved preferences may not have been randomly distributed across the two surveys after all

hydropower externalities a meta analysis this paper presents a meta analysis of existing research related to the economic valuation of the external effects of hydropower a database consisting of 81 observations derived from 29 studies valuing the non market impacts of hydropower electricity generation is constructed with the main aim to quantify and explain the economic values for positive and negative hydropower externalities different meta regression model specifications are used to test the robustness of significant determinants of non market values including different types of hydropower impacts the explanatory and predictive power of the estimated models is relatively high whilst controlling for sample and study characteristics we find significant evidence for public aversion towards deteriorations of landscape vegetation and wildlife caused by hydropower projects there is however only weak evidence of willingness to pay for mitigating these effects the main positive externality of hydropower generation the avoidance of greenhouse gas emission positively influences welfare estimates when combined with the share of hydropower in national energy production sensitivity to scope is detected but not linked to specific externalities or non market valuation methods

measurement of health state utilities for economic appraisal health status measurement for use in economic appraisal of health care programmes is reviewed in this paper with particular emphasis on utility measurement a framework for economic appraisal is presented displaying the various components that must be measured and showing how the three forms of analysis cost effectiveness analysis cost benefit analysis and cost utility analysis relate to the framework and to each other one of the components in the framework is health status it can be measured using ad hoc numeric scales willingness to pay receive or health state utilities the determination of health state utilities is reviewed covering the following issues alternative sources of utilities health state descriptions multi attribute utility approach determination of appropriate subjects utility aggregation and accuracy three measurement techniques for health state utilities are described in detail rating scale standard gamble and time trade off the use of these methods is described for both chronic and temporary health states and for both health states considered better than death and those considered worse than death

the normative economics of health care finance and provision whereas in many countries the crisis in medical care has been seen in terms of excess spending on health services in the uk it has been seen at least by most of those who manage and work in the nhs as a crisis of underfunding this has come about as the result of the government s successful attempts to restrain the rate of growth of real spending on the nhs which in turn reflects the government s belief that its principal effective weapon against what it perceives to be inefficiency in the nhs is to challenge management itself reformed and to some extent liberated by systematic financial squeezes the same concern has given rise to a host of proposals for reform of the nhs most of which involve a much greater role for private insurance private finance of other kinds such as out of pocket payments and private provision of health care itself

benefit transfer in europe how reliable are transfers between countries the benefits for specific health impacts related to air and water quality were measured in simultaneous contingent valuation surveys conducted in five different european countries consistent inter country differences in willingness to pay to avoid ill health episodes could not be explained by measurable differences in individual characteristics international transfer of unit values resulted in an average transfer error of 38 accounting for measurable differences among countries in health status income and other demographic measures either through ad hoc adjustments to the transferred values or through value function transfer did not improve transfer performance

benefit transfer via preference calibration prudential algebra for policy this paper proposes a new approach to benefit transfer the method assumes a specific form for preferences and uses available benefit information to identify and calibrate the preference parameters to match the existing benefit estimates this approach assures economic consistency of the transfers benefit measures can never be inconsistent with household income the logic also offers a series of potentially observable predictions that can be used to gauge the plausibility of benefit transfers when multiple benefit estimates from different methods are available such as hedonic property value travel cost demand and contingent valuation the framework uses the definition of the benefit concept from each method in a single preference function to reconcile differences it provides a specific way to take account of baseline conditions and scope effects i e the size of the proposed change consistently in the transfer the method is illustrated using estimates for benefit measure changes in water quality from three studies travel cost demand hedonic property value and contingent valuation analysis q26

the transferability of benefit transfer contingent valuation of water quality improvements in costa rica abstract identical contingent valuation studies of willingness to pay wtp for improvements in coastal water quality were conducted in the town of jaco and city of puntarenas on the pacific coast of costa rica several common hypotheses for benefit transfer reliability were tested for the transfer of wtp estimates between the two communities as well as between districts within puntarenas this study finds no basis for the claim that the reliability of benefit transfer increases with proximity between the study site where wtp estimates are taken from and the policy site estimates are transferred to the claim that transfer of wtp adjusted by the benefit function outperforms transfers of unadjusted or simple income adjusted wtp is rejected for this particular study results also show that census type socio economic site characteristics are necessary but not sufficient to explain site specific differences in wtp the trade offs in designing valid and reliable benefit transfer studies with transferable results are discussed

farmers adoption of integrated crop protection and organic farming do moral and social concerns matter we investigate empirically the role of moral and social concerns in farmers decision to adopt integrated crop protection ip and organic farming of a survey questionnaire has been sent to 1286 fruit growers and vegetable producers located in the french areas of alpes de haute provence hautes alpes and vaucluse analysis of individual responses n 243 shows that although economic concerns play a strong role a significant number of respondents give high importance to moral and social ones we also examine how these considerations matter according to different crop protection strategies that is conventional farming ip and of using a multinomial logistic regression we find that 1 social concerns e g showing to others one s environmental commitment drive both ip and of adoption 2 moral concerns e g do not feel guilty about one s choices increase the probability of organic farming adoption only and 3 farmers who give high importance to economic concerns e g cutting production costs are less likely to adopt of

the effect of risk context on the value of a statistical life a bayesian meta model this paper presents the first value of statistical life vsl meta analysis that empirically estimates correction factors for out of context benefits transfer bt purposes in the field of mortality risk reductions elicited willingness to pay values in one risk context say road safety are frequently applied in other risk contexts like air pollution however differences in risk perception and the population at risk across contexts are likely to result in diverging vsl estimates in a meta analysis of 26 international stated preference studies a bayesian model is estimated regressing contingent values for mortality risk reductions originating from three different risk contexts on the characteristics of the risk reduction itself and additional variables characterizing the underlying studies a willingness to pay wtp premium for mortality risk reductions in the air pollution and general mortality risk context relative to improving road safety is observed evaluated at the mean road safety vsl estimates should be multiplied by a factor 1 8 before being applicable in the air pollution context moreover in an illustrative bt exercise we find limited overlap in the set of context specific predictive vsl distributions consequently out of context bt results in a substantial over or underestimation of the vsl

the integration of claims to health care a programming approach the paper contributes to the use of social choice and welfare theory in health economics by developing and applying the integration of claims framework to health care rationing related to sen s critique of neo classical welfare economics the integration of claims framework recognises three primitive sources of claim consequences deontology and procedures a taxonomy is presented with the aid of which it is shown that social welfare functions reflecting these claims individually or together can be specified some of the resulting social choice rules can be regarded as generalisations of health maximisation and all have normative justifications though the justifications may not be universally acceptable the paper shows how non linear programming can be used to operationalise such choice rules and illustrates their differential impacts on the optimal provision of health care following discussion of relations to the capabilities framework and the context in which rationing occurs the paper concludes that the integration of claims provides a viable framework for modelling health care rationing that is technically rigorous general and tractable as well as being consistent with relevant moral considerations and citizen preferences

testing the influence of substitute sites in nature valuation by using spatial discounting factors this paper investigates the effect of nearby nature substitute sites on preferences for nature restoration contrary to prior studies we use a respondent centric approach to control for substitute sites we assess each respondent specific spatial context by computing densities of nature substitute sites within various ranges from each respondent s home this approach considers the use and non use values of nature together data from three similar discrete choice experiments carried out in flanders belgium are compared different spatial discounting factors are tested to explore how the substitution effect behaves with regard to distance latent class analyses are performed to account for preference heterogeneity among respondents we observe divergent behaviours across groups of respondents the distance to substitutes affects how respondents gauge substitute sites we find a significant influence of the squared average buffer distance but this effect varies in sign across case studies and classes of respondents our results demonstrate that individual specific gis data can significantly improve the representation of the spatial context and the transferability of value functions however the roles played by preference heterogeneity and nature perception on respondents capacity to value nature still deserves further attention in future research

hedonic models and air pollution twenty five years and counting this paper reports a meta analysis of how effectively hedonic property models have detected the influence of air pollution on housing prices probit estimates are reported describing how data model specification and local property market conditions in cities represented in thirty seven studies influence the ability of hedonic models to uncover negative statistically significant relationships between housing prices and air pollution measures

organic certification agro ecological practices and return on investment evidence from pineapple producers in ghana the recent empirical literature on economic sustainability of certified export crops shows that certification standards that enhance yields are important for improving farm revenues and household welfare however limited evidence exists on the impact of organic certification on the adoption of agro ecological practices in this study we use unique farm level data from pineapple producers in ghana to examine the impact of organic certification on the use of agro ecological practices such as organic fertilizers organic pest and weed control crop rotation and soil and water conservation as well as how using these measures affect farm outcomes such as return on investment our empirical results reveal that organic certification increases agro ecological practice use although from a very low starting point using a generalized propensity score approach we show that there is a positive but nonlinear relationship between the intensity of agro ecological practice use and return on investment