intertemporal pricing and price discrimination a semiparametric hedonic analysis of the personal computer market we apply a smooth coefficient semiparametric model to a unique high frequency data set to examine the intertemporal pricing of personal computers furthermore we test whether firms charge differential component prices for their top performance personal computers and whether premium firms charge both a premium for all their computers and a premium for their top performance ones we find nonlinear effects in the pricing of personal computer components we also find that firms in general do not charge differential prices for the components of their top performance computers in addition high quality firms charge higher premia only for their most advanced products copyright 2006 john wiley sons ltd

globalization veto players and welfare spending this article examines the role of globalization and its interaction with domestic political institutions veto players in shaping welfare spending in 18 advanced industrial countries from 1960 to 2000 first the author evaluates how integrated world markets have influenced welfare expenditures results suggest that globalization increased welfare spending in this sample second the author studies how domestic political institutions mediate the impact of globalization on welfare spending with a new data set on veto players for the years 1960 to 2000 the author finds that as the number of and ideological distance among veto players increases the upward pressure of globalization on welfare spending is reduced the results show that globalization has pressured states to expand welfare spending but the extent to which states have responded to pressure critically depends on the number of and ideological distance among veto players whose agreement is required to change welfare policy

semiparametric estimation and consumer demand this paper considers the implementation of semiparametric methods in the empirical analysis of consumer demand the application is to the estimation of the engel curve relationship and uses the british family expenditure survey household composition is modelled using an extended partially linear framework this is shown to provide a useful method for pooling non parametric engel curves across households of different demographic composition c 1998 john wiley sons ltd

zero expenditures and the estimation of engel curves over the brief interview periods typical of budget surveys such as the u k family expenditure survey households recorded expenditures are liable to be misleading indicators of their underlying consumption most starkly a household may not be observed to purchase commodities that it nevertheless consumes this paper considers the implications of such measurement errors for the estimation of demand systems and derives a consistent estimator for the special case of linear engel curves

household energy prices and inequality evidence from german microdata based on the easi demand system abstract this paper studies the distributional effects of rising energy costs for households in contrast to most of the previous literature our specification differentiates between electricity and heating demand and still models other consumption goods in realistic detail we use a yet unexplored data set on household expenditures in germany and extend the recently developed easi demand system for the analysis of inequality and welfare at the individual and social level the easi system reveals non linearity of engel curves which when neglected can lead to biased estimates of distributional effects we find that increases in heating prices are more regressive than those in electricity furthermore current proposals for social tariffs are found to be less effective than targeted compensation schemes

aggregate consumer behaviour and the measurement of inequality this paper presents an approach to inequality measurement based on an econometric model of aggregate consumer behaviour the novel feature of this model is that systems of individual demand functions can be recovered uniquely from the system of aggregate demand functions we present methods for evaluating social welfare based on an explicit social welfare function this social welfare function incorporates measures of individual welfare based on indirect utility functions for all consumer units we develop indexes of inequality based on actual and potential levels of social welfare

evaluating the linearized almost ideal demand system linearizing the almost ideal demand system laids by recourse to the stone share weighted price index is common practice two issues are addressed here first scrutiny of the errors in variables implications of the linearization reveals that not only is the sur estimator inconsistent but a consistent iv estimator cannot be constructed second some alternatives to the green alston elasticities specifically designed for the laids model are developed but neither these nor the green alston elasticities are found to have any advantages over the conventional elasticity formulae some errors in the green alston 1990 paper are corrected the inconsistency and elasticity issues are documented by a monte carlo investigation

the distributional welfare effects of rising prices in the united states the 1970 s experience this paper presents estimates of the distributional welfare impacts ofthe actual price rises of energy and nonenergy commodities during the1970 80 decade in the united states measures of welfare changes basedon net compensating variations are computed for families that differ with respect to demographic characteristics initial total expenditurelevels and total expenditure growth profiles over the decade for comparison measures of welfare change based solely on the changes inenergy prices are computed the author shows that welfare differencesdue to initial expenditure levels or demographic profiles are minor incomparison to welfare differences due to different expenditure growthprofiles copyright 1986 by american economic association

welfare analysis of tax reforms using household data abstract this paper discusses a methodology for calculating the distribution of gains and losses from a policy change using data for a large sample of households estimates are based on the equivalent income function which is money metric utility defined over observable variables this enables calculations to be standardised and a computer program to compute the statistics presented in the paper is available for a general demand system equivalent income is related to measures of deadweight loss and standard errors are computed for each of the welfare measures an application to u k data for 5 895 households is given which simulates a reform that involves eliminating housing subsidies

the ghost of extinction preservation values and minimum viable population in wildlife models abstract the inclusion of a minimum viable population in bioeconomic modeling creates at least two complications that are not resolved by using a modified logistic growth function the first complication can be dealt with by choosing a different depensational growth function the second complication relates to the inclusion of the in situ benefits of wildlife into the analysis knowledge about the magnitude of the in situ benefits provides no guide for policy about conservation management simply knowing that people are willing to pay a large amount each year to protect a species says nothing about whether one should manage habitat to protect or enhance the species numbers unless the species is in imminent danger of extinction if willingness to pay is to be a guide it needs to be better tied to population numbers especially the minimum viable population

carbon tax simulations using a household demand model abstract the main objective of this paper is to analyse consumer response and welfare effects due to changes in energy or environmental policy to achieve this objective we formulate and estimate an econometric model for non durable consumer demand in sweden that utilises micro and macro data in the simulations we consider two revenue neutral scenarios that both imply a doubling of the co2 tax one that returns the revenues in the form of a lower vat and one that subsidise public transport one conclusion from the simulations is that the co2 tax has regional distribution effects in the sense that household living in sparsely populated areas carry a larger share of the tax burden

a latent variable model of consumer taste determination and taste change for complex carbohydrates despite evidence that aggregate consumption of complex carbohydrates has risen over the last decade food consumption surveys suggest that fewer households are consuming less bread pasta rice potatoes and corn this paper estimates systems of complex carbohydrae demand using cross sectional data from 1977 78 and 1987 88 in order to explain this paradox changes in demand that are not explained by changes in prices or income are explained by variations in taste because tastes cannot be directly observed the paper uses a multiple indicator and multiple cause mimic model to construct a suitable proxy variable in the mimic approach the indicators are residuals from a household demand function that includes prices and incomes as explanatory variables while household and demograhic proxies are cause variables the objectives in applying the mimic model are to determine the effect of consumer tastes on complex carbohydrate demand and comparing cross sectional survey data from two different periods

the efficiency of capital allocation in this paper we present an intertemporal general equilibrium model of the u s economy the purpose of this model is to analyze the efficiency of capital allocation we have implemented our model econometrically for annual data covering the period 1955 80 the model encompasses the critical features of u s tax laws applicable to income from capital equilibrium is determined by market clearing conditions for consumption and investment goods and for capital and labor services in each time period under perfect foresight there exists a unique balanced growth equilibrium corresponding to any stationary tax policy an intertemporal general equilibrium model of the u s economy is presented in this paper the purpose of this model is to analyze the efficiency of capital allocation the model is kindred in spirit to the model of the swedish economy developed by ragnar bentzel 1978

a cointegrated vecm demand system for meat in italy this article applies cointegration techniques to estimate a monthly demand system for meat in italy in contrast to existing studies where engle and granger s two step procedure and triangular vector error correction model tvecm representations are usually exploited it applies a cointegrated vector error correction model vecm where also prices and expenditure enter endogenously the system and the cointegration rank is not assumed to be known a priori but subject to inference it highlights some of the advantages of using the vecm compared to the tvecm including the possibility of testing the cointegration rank of the system and the weak and strong exogeneity of prices and expenditure within a well specified statistical model this may lead to remarkable improvements in the efficiency of parameters system estimates

the effects of the gender of children on expenditure patterns in rural china a semiparametric analysis we analyse expenditure patterns for rural china focusing on differences between families with boys and girls the sample includes more than 5000 nuclear families from 19 chinese provinces following the existing literature we estimate engel curves for food and for alcohol a typical adult good we use a flexible partially linear specification and allow for endogeneity of total expenditures the results are similar to those of other studies not providing much evidence of gender differentials we then focus on the decision to send a child to school and on the budget share spent on educational goods using both parametric and semiparametric estimates we find evidence that boys are more often sent to school and that expenditures on a boy that goes to school are larger than for a school going girl of the same age copyright 2005 john wiley sons ltd

on price indices in the almost ideal demand system a number of papers have discussed the relationship between the almost ideal demand system aids and its linear approximation la aids in this paper it is shown that if the prices in the system are normalized to one the aids and la aids representations are identical at the point of normalization also at the point of normalization the expressions for price and expenditure elasticities from both systems are identical

an empirical comparison of flexible demand system functional forms this paper compares the performance of eight frequently used flexible forms that are either 1 locally flexible 2 effectively globally regular or 3 asymptotically globally flexible results show that the functions with global properties generally perform better particularly those models having asymptotic properties results using us consumption data indicate substitutability among the components of consumption at most data points there is also some interesting substitution volatility around the time of recessions in the usa copyright 2001 john wiley sons ltd

bias in estimating the almost ideal demand system with the stone index approximation this paper shows that the commonly used stone index approximation can bias the parameter estimates of the almost ideal demand system the bias mostly affects the price parameters and can be more serious when the budget share equations are estimated with individual household rather than aggregate data in the absence of strong substitution effects the price parameter bias can be largely corrected through simple reparameterization copyright 1993 by royal economic society

the measurement of deadweight loss in an open economy there are many approaches to the measurement of the resources wasted in an economy arising from an inappropriate system of taxation and government regulation the existing literature on this topic is too voluminous for us to summarize in this introduction 1 in the remainder of this introduction therefore we simply outline what we hope to add to the literature in this paper at the outset it should be mentioned that we are going to consider only the deadweight loss generated by inappropriate systems of taxation the losses generated by monopolistic behaviour on the part of producers could be modelled in a similar fashion but we leave this generalization to the reader 2 in section i below we illustrate our two alternative measures of deadweight loss by means of some simple diagrams from the diagrammatic viewpoint neither loss measure has a clear cut advantage over the other however when we move to our algebraic analysis of the loss measures and to quadratic approximations then it turns out that our allais debreu loss measure allais 1943 pp 610 616 debreu 1951 1954 has a clear cut advantage over the hicks boiteux measure hicks 1941 1942 boiteux 1951 at least when the number of households in the economy exceeds one it should be mentioned that we are restricting our attention to loss measures that are well defined when a there is an arbitrary number h of households in the economy b there is an arbitrary number n of domestic goods and an arbitrary number m of internationally traded goods in the economy 3 and c there is an arbitrary number k n of constant or diminishing returns to scale sectors in the production sector of the economy the last restriction turns out to be important because the case where n the number of domestic goods equals k the number of sectors leads to measures of deadweight loss that have substanitally lighter informational requirements in section ii we lay out our model of the economy using duality theory in order to reduce the number of variables and equations in section iii we develop a measure of loss arising from tariff and tax distortions which is due essentially to boiteux 1951 conceptually the boiteux loss measure is simply a sum of hicksian 1941 1942 p 128 equivalent variations applied to each consumer s expenditure function so we call our loss measure a hicks boiteux loss measure however boiteux 1951 p 128 provided a quadratic approximation to his loss measure which decomposed into additive consumer and producer terms whereas hicks and others did not accomplish this additional step we obtain the same kind of decomposition as boiteux but generalized to an open economy 5 it should be noted that the loss measure developed in this section collapses down to the standard

exact consumer s surplus and deadweight loss consumer s surplus is a widely used tool in applied welfare economics both economic theorists and cost benefit analysis often use consumer s surplus despite its somewhat dubious reputation the basic idea is to evaluate the value to a consumer or his willingness to pay for a change in price of a good from say pricep to pricep because price changes affect consumer welfare an evaluation of this effect is often a key input to public policy decisions yet consumer s surplus is probably the most controversial of widely used economic concepts both paul samuelson and ian little conclude that the economics profession would be better off without it it is my feeling of the situation that substantial agreement exists on the correct quantities to be measured the amount the consumer would pay or would need to be paid to be just as well off after the price change as he was before the price change the quantities correspond to john hicks compensating variation measures an alternative measure which takes ex post price change utility as the basis of comparison is hicks equivalent variation the controversy arises in the measurement of these quantities the usual measurement procedure is to use the area to the left of the marshallian market demand curve between two price levels jules dupuit originated this measure of welfare change and alfred marshall and hicks derived appropriate conditions for its use the primary condition for the area to the left of the demand curve to correspond to the compensating variation is to have constant marginal utility of income marshall gave this condition and if it holds the same quantity will be derived as the area to the left of the compensated hicksian demand curve this area to the left of the compensated demand curve is exactly what the compensating variation and equivalent variation measure thus the constant marginal utility of income is a sufficient condition for marshallian consumer s surplus to be equal to hicks consumer s surplus in this case arnold harberger s plea to use the welfare triangle as one half times the product of the price change times the quantity change to measure deadweight loss corresponds to the correct theoretical amount of welfare change in a recent paper robert willig derives bounds for the percentage difference between the correct measure of either the compensating or equivalent variation and the marshallian measure derived form the market demand curve his bounds which depend on the income elasticity of demand for the single good in the region of price change being considered as well as the proportion of the consumer s income spent on the good demonstrate that the marshallian consumer s surplus is often a good approximation to hicks consumer s surplus the fact that the proportion of the consumer s income spent matters as well as the income elasticity was first pointed out by harold hotelling willig contends that the approximation error will be less than the errors involved in estimating the demand curve thus he hopes to remove the need for apology that applied economists often need to give to theorists who remark on the inappropriateness of using marshallian consumer s surplus to measure welfare change however in this paper i show that for the case primarily considered by willig of a single price change which is also the situation in which consumer s surplus is often used in applied work no approximation is necessary professor of economics massachusetts institute of technology and research associate national bureau of economic research i would like to thank peter diamond erwin diewert daniel mcfadden robert merton robert solow hal varian joel yellin and the referees for help and comments research support from the national science foundation is acknowledged the reason that we still have two rather than one of samuelson s six measures of consumer s surplus arises from an index number problem of the correct basis for the welfare comparison i will give both measures but plan to concentrate on the compensating variation

a global trend toward democratic convergence a lijphartian analysis of advanced democracies the article offers a systematic analysis of the comparative trajectory of international democratic change in particular it focuses on the resulting convergence or divergence of political systems borrowing from the literatures on institutional change and policy convergence to this end political institutional data in line with arend lijphart s 1999 2012 empirical theory of democracy for 24 developed democracies between 1945 and 2010 are analyzed heteroscedastic multilevel models allow for directly modeling the development of the variance of types of democracy over time revealing information about convergence and adding substantial explanations the findings indicate that there has been a trend away from extreme types of democracy in single cases but no unconditional trend of convergence can be observed however there are conditional processes of convergence in particular economic globalization and the domestic veto structure interactively influence democratic convergence

compensating variation consumer s surplus and welfare the compensating variation was defined by j r hicks 1942 as the amount one would have to deduct from a person s income to make him just as well off after a change in prices and income as he had been in the initial situation if the compensating variation is positive the individual is better off under the new situation since the compensating variation furnishes a uniquely defined numerical cardinal indicator of welfare improvement it provides an implicit ranking of alternative prospective situations not only relative to the initial situation but also relative to each other in practice this appears to be how this and other tools of cost benefit analysis are actually used one is interested in knowing not only whether a particular bridge or a particular excise tax will lead to an improvement in welfare but which out of a set of alternative bridges or alternative tax systems will improve welfare the most 1 in this paper we analyze conditions under which the compensating variation can be validly used in this generalized sense these turn out to be precisely the same as conditions previously derived see our 1976 paper for the valid use of consumer s surplus as a welfare measure in our final section we analyze the problem of deriving the generalized equivalent and compensating variations either exactly or approximately from observable demand functions by means of generalizations of or alternatives to consumer s surplus

empirical modelling of the aggregation error in the representative consumer model this paper examines different approaches to modelling the aggregation error associated with the representative consumer model each approach is based on an analytical framework intended for modelling aggregate time series data on quantities and prices with potential additional measures of income distribution simple functions that track aggregation error over time are found to perform better than more complex and theoretically sophisticated models an explanation is given based on typical time series characteristics of economic data

welfare comparison under exact aggregation new econometric model of aggregate consumer behavior in the united states and to apply this model to the analysis of impacts of alternative economic policies on the welfare of individual consuming units the model incorporates time series data on quantities consumed prices the level and distribution of income and demographic characteristics of the population it also incorporates cross section data on the allocation of consumer expenditures for households with different demographic characteristics our econometric model is based on the theory of exact aggregation developed by lau 1977a c this theory makes it possible to dispense with the notion of a representative consumer in constructing models of aggregate consumer behavior one of the most remarkable implications of lau s theory of exact aggregation is that systems of demand functions for individuals with common demographic characteristics can be recovered uniquely from the system of aggregate demand functions using the individual demand functions we can analyze the impact of economic policy on consumer welfare

an application of cointegration theory in the estimation of the almost ideal demand system for food consumption in bulgaria abstract the almost ideal demand system is applied to consumption in bulgaria it is argued that the conventional estimation of the almost ideal model should be done within the framework of contemporary time series methodology in this paper the canonical cointegrating regression procedure of park is applied it is argued that the results of the almost ideal demand system that are presented are consistent with both theory and casual observation of consumer behaviour in bulgaria

native american obesity an economic model of the thrifty gene theory native american obesity is hypothesized to result from three potential causes 1 a genetic predisposition or the thrifty gene 2 a rational addiction to nutrients and 3 dietary adjustment costs these hypotheses are tested using a two stage household production approach and scanner data from a panel of native and non native supermarkets nutrient intake for both groups is strongly influenced by adjustment costs native americans tend to place higher implicit valuations on protein relative to fats and carbohydrates compared to non natives consequently reductions in real carbohydrate prices over time may be a cause of high incidence of native american obesity

marginal valuation of charismatic species implications for conservation most contingent valuation studies focus on total willingness to pay wtp as a measure of welfare change for policy involving species preservation however it is important to distinguish between the benefits of preventing a species from going extinct and the benefits of preserving numbers above the minimum viable population mvp level once mvp is exceeded marginal wtp becomes relevant these propositions are illustrated for the case of one charismatic species whose management is much debated minke whales in the northeast atlantic ocean it is shown that for a given estimate of total preservation value strict conservation and extinction can both be optimal this finding highlights the importance of collecting marginal values in contingent valuation surveys

willingness to pay for other species well being abstract benefit cost analysis of environmental policies typically focuses on benefits to human health and well being for other species economists have attempted to measure human wtp for changes in the numbers of individuals for different types of wildlife and to preserve biodiversity when it comes to humans wtp for improvements in the quality of life for other species however the evidence is limited morbidity and quality of life considerations may be particularly important to the task of valuing non fatal harm to wildlife in the wake of an environmental disaster we argue that the other species morbidity reduction component of wtp should be calculated net of any outrage component associated with the cause of the harm this net wtp is likely to be correlated with the premium that people are willing to pay for chicken products from birds for which the quality of life has been enhanced by improved animal welfare measures this paper uses a conjoint choice stated preference survey to reveal the nature of systematic heterogeneity in preferences for humanely raised versus conventionally raised chicken we also use latent class analysis to distinguish between two classes of people those who are willing to pay a premium for humanely raised chicken and those who are not

an error correction almost ideal demand system for meat in greece this paper represents a dynamic specification of the almost ideal demand system aids based on recent developments on cointegration techniques and error correction models based on greek meat consumption data over the period 1958 1993 it was found that the proposed formulation performs well on both theoretical and statistical grounds as the theoretical properties of homogeneity and symmetry are supported by the data and the lechatelier principle holds regardless of the time horizon beef and chicken may be considered as luxuries while mutton lamb and pork as necessities in the short run beef was found to have price elastic demand pork an almost unitary elasticity whereas mutton lamb chicken and sausages had inelastic demands in the long run beef and pork were found to have a demand elasticity greater than one whereas mutton lamb chicken and sausages still had inelastic demands all meat items are found to be substitutes to each other except chicken and mutton lamb and pork and chicken

aggregate consumer behavior and the measurement of social welfare this paper describes a new approach to normative economics combining the theory of social choice with econometric modeling of aggregate consumer behavior we first derive a system of aggregate demand functions by exact aggregation over individual demand functions we then construct measures of individual welfare from systems of individual demand functions finally we incorporate these measures into a social welfare function introducing ethical assumptions based on horizontal and vertical equity to illustrate the application of this approach we consider the u s standard of living and its cost over the period 1947 1985 the purpose of this paper is to describe a remarkable convergence that has occurred between economic theory and econometrics over the past decade this conjunction has taken place between the theory of social choice and econometric modeling of aggregate consumer behavior the confluence of these two streams of research has produced a new approach to normative economics this approach has been successfully applied to the evaluation of economic policy the measurement of poverty and inequality and the assessment of the standard of living and its cost a common problem in the modeling of consumer behavior and social choice is the representation of individual preferences in the econometric modeling of aggregate consumer behavior the primary emphasis has been on simplifying aggregate demand functions the most familiar approach to this problem is the model of a representative consumer this model is required to justify applications of the theory of individual consumer behavior to aggregate data on prices and quantities consumed the simplest version of the model is based on identical homothetic preferences for all individuals under identical homothetic preferences aggregate quantities consumed are functions of aggregate expenditure and prices these functions have precisely the same properties as demand functions in the theory of individual consumer behavior the condition of identical homothetic preferences was weakened by gorman 1953 to permit displacements from the origin for individual demand functions gorman showed that a necessary and sufficient condition for aggregate demand functions to depend on aggregate expenditure is that all individu

an empirical analysis of intertemporal and demographic variations in consumer preferences analysis of consumer demand behavior typically focusses on either the cross sectional dimension or takes a time series approach the former ignores intertemporal changes in preferences and the latter ignores differences in preferences among different groups of consumers in this study two identically defined cross sections of expenditure data are used to estimate a nonhomothetic demand system for food at home for three demographic groups the results indicate that both demographic and intertemporal differences in preferences are significant and that the method of incorporating demographic variables into the estimation is also important

homogeneity and supply supply functions in the ubiquitous gorman class are examined for their homogeneity properties homogeneity places surprisingly strong restrictions on functional forms these forms facilitate testing of aggregability given homogeneity or homogeneity given aggregability or testing both

the effects of a fat tax on french households purchases a nutritional approach this article assesses the effects of a fat tax on the nutrients purchased by french households across different income groups this is done by making a preliminary estimation of price elasticities using a complete demand system on household scanner data and by calculating nutrient elasticities using estimated price elasticities we find that a fat tax has small and ambiguous effects on nutrients purchased by french households and a slight effect on body weight in the short run with a greater effect in the long run such a tax generates substantial tax revenue but is highly regressive

simulation of indirect tax reforms using pooled micro and macro french data this paper assesses the consequences of two reforms of the french indirect taxation system a vat harmonization which is close to initial ec proposals and a carbon tax which aims at decreasing the emissions of carbon dioxide we simulate the effects of tax reforms using estimates of a model of household expenditure behaviour estimation is obtained by using the property of perfect aggregation over households of the almost ideal demand system on pooled micro data from the 1978 1979 1984 1985 1989 issues of the french enquete budgets des familles combined with macro data from the quarterly national accounts from 1970 to 1990 simulations are conducted using a subsample of households from the 1989 consumer survey and generate useful results about the behavioural reactions to tax changes the impact on government revenue and the distributional effects of the reforms

forecasting with the almost ideal demand system evidence from some alternative dynamic specifications the almost ideal demand system is used as a representation of long run demands in discrete time and continuous time error correction models to produce forecasts of budget shares beyond the sample period the estimated models are subjected to a battery of tests and an analysis of the forecasts indicates that continuous time adjustment mechanisms based around fully modified estimates of the long run preference parameters provide a remarkably accurate method of forecasting budget shares

a system of equations model of uk tourism demand in neighbouring countries this paper uses a system of equations model to examine tourism demand during periods of destination country transition and integration into the wider international community the almost ideal demand system model is applied to the uk demand for tourism in the neighbouring destinations france spain and portugal spain and portugal are interesting cases as during the period under consideration they experienced a process of transition from economies with characteristics typical of developing countries only entering the world bank s industrialized countries classification in the 1980s the paper examines the evolution of tourism demand during these countries transition from developing to developed status consideration of france as a neighbouring destination also allows the behaviour of tourism demand to be compared between relatively rich and poor countries the results show the extent to which the cross country behaviour of demand becomes more or less similar over time with respect to changes in ex

meat meets meta a quantitative review of the price elasticity of meat the price elasticity of meat has been estimated in numerous studies that utilize a variety of disparate modeling procedures in light of differences in the literature a meta analysis is performed to assess the sensitivity of the meat price elasticity to a number of characteristics including the type of meat specification of demand nature of data estimation method characteristics of the publication outlet and location of demand the results from estimating linear and box cox meta regressions coupled with different panel data treatments reveal that these characteristics have differing influence on the reported price elasticity

the distributional effects of a carbon tax and its impact on fuel poverty a microsimulation study in the french context abstract this paper studies the distributional effects of france s recently introduced carbon tax using a microsimulation model built on a representative sample of the french population from 2012 it simulates the taxes levied on each household s consumption of energy for housing and transport without revenue recycling the carbon tax is regressive and increases fuel poverty from a policy perspective this finding indicates that the question of fuel poverty cannot be ignored in the quest for a fair ecological transition it proposes that some of the revenues from the carbon tax should be redistributed to households different designs of cash transfer to support households are then compared the results show that the inequities of the carbon tax could be offset at reasonable cost relative to total carbon tax revenues however adjusting the design of cash transfers to criteria other than income level does not diminish the cost of compensating households the benefits of finely adjusting cash transfers may therefore be somewhat limited most notably the results show that targeting revenue recycling at low income households would help to reduce fuel poverty substantially this study therefore indicates that carbon taxation actually provides an opportunity to finance ambitious policies to fight fuel poverty

globalization pressures and the state the worldwide spread of central bank independence the authors examine the impact of globalization on state structures in the specific instance of the central bank following the world system world society and neoinstitutional perspectives in sociology they assume that states are in cultural political and economic competition with each other thereby seeking to maintain their position and status frequently by adopting organizational forms or practices that make them isomorphic with their environment the authors predict that countries boost the independence of their central bank from the political power as their exposure to foreign trade investment and multilateral lending increases they also model the cross national dynamic process of diffusion of central bank independence by examining the impact of cohesive and role equivalent trade relationships between countries they find support for their hypotheses with information on 71 countries between 1990 and 2000

inverse demand systems and welfare measurement in quantity space most studies of welfare or cost benefit analyses are concerned with the welfare effects of price changes 11 19 27 33 50 there are however many situations in which policy options are directly related to quantity changes the welfare effects of price changes are analyzed with the traditional demand system in which commodity quantities are determined as functions of their prices the welfare effects of quantity changes on the other hand are associated with the inverse demand system in which commodity prices are dependent on their quantities in conventional welfare analysis of price change prices are taken to be exogenous or predetermined while quantities are endogenous in contrast in welfare analysis of quantity changes quantities are exogenous while prices are endogenous price based or dual welfare measures are relevant when there are well functioning competitive markets and quantities are fully adjusted to changes in prices on the other hand quantity based or primal welfare measures are useful in situations where there are constraints on commodity quantities or when transaction costs impede consumers from fully adjusting to changes in prices the choice between priceand quantity based welfare measures is empirical and proper measurement of welfare effects requires the knowledge as to which variable price or quantity is the exogenous one for individual consumers it may be reasonable to assume that the supply of commodities is perfectly elastic and therefore prices can be taken as exogenous but this assumption may not be tenable for consumers in the aggregate or if highly aggregated economy wide data are used to estimate demand relations at the aggregate level quantities are more properly viewed as exogenous than are prices although individual consumers make their consumption decisions based on given prices the quantities of commodities are predetermined by production at the market level and prices must adjust so that the available quantities are consumed 28 1 2

interdependence in comparative politics substance theory empirics substance interdependence is ubiquitous and often central across comparative politics indeed as the authors show first theoretically any situation involving externalities from one unit s actions on others implies interdependence positive or negative externalities induce negative or positive interdependence which spurs competitive races or free riding with corresponding early or late mover advantages and thus strategic rush to act or delay and inaction the authors show next how to model interdependent processes empirically how not doing so risks omitted variable biases favoring domestic and exogenous external accounts over interdependence but how doing so naively risks simultaneity biases with the opposite substantive implications they then discuss how to estimate properly specified interdependence models and finally how to interpret and present estimated spatio temporally dynamic effects response paths and long run steady states with associated standard errors they illustrate by replicating a not

a deeper look at the proportionality turnout nexus evidence that turnout is higher under proportional representation pr than in majoritarian elections is overwhelming yet previous research has largely failed to explain why one line of argument maintains that higher turnout under pr is a by product of larger party systems however a larger number of parties has been demonstrated to depress turnout alternatively it is argued that majoritarian electoral systems tend to produce safe seats and that voters have little incentive to turn out there thus uneven turnout over electoral districts due to variable intensities of local competition is made responsible for the lower overall turnout empirical evidence on this conjecture is scant this article scrutinizes the relationship between electoral rules competition and turnout with district level data from 31 national elections results from a heteroscedastic model indicate that lower net turnout in majoritarian systems is indeed a consequence of uneven turnout over districts due to variable levels of lo

harvesting and conserving a species when numbers are low population viability and gambler s ruin in bioeconomic models abstract in bioeconomic models of renewable resources population viability is either ignored entirely or the minimum viable population mvp is considered a crisp threshold below which a species is driven to extinction neither is consistent with ecological science the purpose in this paper is firstly to enhance ecological realism in economic models by incorporating insights regarding population viability from conservation biology we consider the effects of chance on optimal management and briefly discuss key results regarding population viability as derived by biologists second as a means to balance interests and morality we suggest a fuzzy compromise between the economist s and the biologist s preferred stock sizes

expenditure function estimates of the efficiency and distributive impact of indirect taxes in the united kingdom abstract this paper uses the expenditure function to consider the efficiency and distributional impact of indirect taxes in the united kingdom estimates of the parameters of the linear expenditure system of demand equations are employed to measure the compensating variation and equivalent variation costs of taxes on households in different income groups in addition distributional weights are used to consider the overall impact of different taxes and tax changes on social welfare finally we consider other types of demand system estimates which might be used in this kind of exercise

modelling us tourism demand for european destinations abstract an almost ideal demand system model is used to examine us demand for tourism in european destinations the model provides policy makers with useful information concerning the sensitivity of tourism demand to changes in relative prices exchange rates and expenditure the results show that price competitiveness is important for us demand for france italy and spain but is relatively unimportant for the uk france and italy are regarded as substitutes by us tourists as are spain and italy as us expenditure rises the market shares of spain and the uk decline while france and italy benefit the demand modelling and forecasting indicate that in the absence of a tourism price index the choice between alternative price indices does not have a significant effect on the results

the comparison of multi dimensioned distributions of economic status the literature on inequality measurement has been largely concerned with single dimensioned indicators this paper explores some of the issues which arise when there are several dimensions to inequality and these are not readily reduced to a single index concentrating particularly on the two dimensioned case we make use of results on multi variate stochastic dominance in portfolio theory extending these and applying them to the measurement of inequality the use of the dominance conditions is illustrated by an application to the international distribution of income and life expectancy

carbon taxation prices and welfare in new zealand abstract this paper examines the effects on consumer prices arising from imposing a carbon tax in new zealand using information about inter industry transactions and the use of fossil fuels by industries the welfare effects of the carbon tax are examined for a range of different household types finally overall measures of inequality are reported

measuring corruption in china an expenditure based approach using household survey data most existing micro level empirical analyses of corruption rely on administrative records special purpose surveys or field experiments which can be difficult or very costly to obtain in some situations in this paper we apply an expenditure based method of quantifying the extent of corruption in a particular country using household survey data this method utilizes discrepancies between consumption and reported income to measure corruption another contribution of this paper is that it provides the first objective estimate of the extent of corruption in china we use a quadratic clothing expenditure function to estimate the extent of corruption in china in 2002

the measurement of deadweight loss revisited modities such as various consumer goods and labor m fixed factors such as land natural resources and various types of fixed capital and a government which taxes commodities and fixed factors in order to finance various govern ment expenditures it is well known2 that if the government can raise its required revenue by taxing the fixed factors alone then the resulting allocation of resources is pareto optimal no single household s utility or real income can be increased without decreasing the utility of some other household suppose we are at an initial equilibrium where government revenue is being raised by taxing the fixed factors alone then the resulting equilibrium can be rationalized by maximizing a certain weighted sum of utility functions subject to various feasibility constraints now think of the government replacing the taxes on fixed factors with distortionary commodity taxes in section 3 we calculate the second order directional derivative of the above weighted sum of utility functions with respect to any feasible direction of tax change evaluated at the initial equilibrium which is pareto optimal of course the first order directional derivatives of the weighted sum of utility functions with respect to feasible directions of tax change are zero evaluated at this initial equilibrium we obtain a measure of economic loss due to tax distortions which is virtually identical to that of boiteux 3 p 113 and which bears a resemblance to the dead loss of hotelling 22 p 254 the consumer s surplus measures of hicks 19 20 pp 330 3 and the deadweight loss measure of harberger 16 p 61 17 p 788 in section 4 we calculate a measure of welfare loss based on debreu s 4 5 coefficient of resource utilization which is a modification of a measure of loss due to allais 1 2 and we show that under certain conditions the hotelling

testing the rank of engel curves with endogenous expenditure abstract we find that the endogeneity of consumer expenditure tends to increase the estimated rank of engel curves this result based on nonparametric procedure is in line with previous results obtained in the context of parametric specifications

price and income elasticities of demand for passenger transport fuels in spain implications for public policies abstract the significant increase in passenger transport activity cars experienced by spain and its associated increase in energy consumption have several associated negative aspects including a greater dependence on foreign energy sources and higher ghg emissions therefore reducing the level of transport activity would bring important socioeconomic and environmental benefits the aim of this paper which focuses on energy consumption in the passenger transport is fourfold 1 to provide a diagnostic of energy consumption in the spanish passenger transport system and the related problems 2 to develop a model to calculate price and income elasticities of demand for transport fuel 3 to apply this model to the spanish passenger transport sector 4 to infer policy recommendations derived from the results of the diagnostic and the model it is claimed that in view of those low price elasticities and high income elasticities and if a reduction in the scale of transport activity is deemed socially desirable a combination of instruments is necessary fuel taxes play an important role within this combination apart from their long term effects the low price elasticity of demand for transport fuel would allow the collection of a significant amount of revenues which could eventually be earmarked to encourage reductions in private transport demand and modal shifts with other instruments

what do we learn about consumer demand patterns from micro data the aim of this paper is to assess the importance of using micro level data in the econometric analysis of consumer demand to do this we utilize a time series of repeated cross sections covering some 4 000 households in each of 15 years employing a number of different aggregation procedures we conclude that aggregate data alone are unlikely to produce reliable estimates of structural price and income coefficients however once certain aggregation factors as well as trend and seasonal components are included an aggregate model is not necessarily outperformed across all demand equations in terms of forecasting ability jel d12 c52 c31 the purpose of this paper is to develop a complete consumer demand system based on a time series of individual household data and to use it to measure the biases introduced into the study of consumer de mand behavior when aggregate data are used in place of the appropriate microeco nomic data we assess the suitability of ag gregate data through the impact on income and price elasticities and by evaluating the ability of both micro and aggregate based models to forecast aggregate consumer de mand the biases introduced by the use of aggregate data depend upon the way that household characteristics interact with in come and price effects and on departures of demand systems from linearity we explore the structure of microeconomic demand sys tems and the role of household characteris tics in the behavior of consumer demand both for the light this may shed on the pattern of future demands and for the im plications this behavior has for issues of aggregation consumer demand patterns typically found in micro data sets vary considerably across households with different household characteristics and with different levels of income we model this variability by making intercept and slope parameters in the budget share equations of our demand sys tem depend on household characteristics and by allowing for nonlinear total log expenditure terms in fact in theory consistent demand systems it is total ex penditure rather than disposable income that is allocated across goods we find that this general framework leads to a well specified data coherent demand system which is a quadratic extension of the popu lar almost ideal model of angus s deaton and john muellbauer 1980 the micro level estimates are shown to be sensitive to the treatment of endogeneity of total expen diture and to the specification of interaction terms with household characteristics in ad dition this specification is also shown to possess many attractive features for the evaluation of aggregate models

differential demand systems a further look at barten s synthesis barten s synthetic model is attractive to applied researchers since it is useful for testing the adequacy of the competing functional forms of differential demand systems including the popular rotterdam and almost ideal demand systems this article shows that the synthetic model is not a mere artificial composite of the known differential demand systems as it has been considered but rather viewed as a model in its own right it is demonstrated that at the individual consumer level barten s model has the same marginal budget shares as generated by specific forms of engel curves formulated by the box cox transformation

aggregate consumer behavior and household equivalence scales this article presents estimates of household equivalence scales broken down by demographic characteristics of u s households separate estimates are given by family size age of head region race and urban versus rural residence commodity specific scales are presented for five separate commodity groups energy food consumer goods capital services and other services the estimates are obtained from an econometric model of aggregate consumer behavior the parameters of this model are estimated by combining aggregate time series and individual cross section data

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