do greens drive hummers or hybrids environmental ideology as a determinant of consumer choice this paper uses several california data sets to test for differences in consumption patterns between greens and browns a person s environmentalism is rarely observed in consumer data sets in california a community s share of green party registered voters is a viable proxy for community environmentalism environmentalists are more likely to commute by public transit purchase hybrid vehicles and consume less gasoline than non environmentalists

how can market mechanisms for forest environmental services help the poor preliminary lessons from latin america summary market mechanisms for forest environmental services are a new approach for conservation but there is also an increasing interest in the derived developmental benefits of these mechanisms we first propose a conceptual framework for future research on the livelihood impacts of environmental service markets we then review eight latin american case studies on carbon sequestration and watershed protection market initiatives finding positive local income effects in most cases more land tenure security and socioinstitutional strengthening in some cases but some negative effects also we recommend pro poor policy measures such as reducing smallholders transaction costs and removing inappropriate access restrictions

the effect of income choice on bias in policy decisions made using cost benefit analyses abstract cost benefit analysis cba is often used in policy decisions to determine the economic value of various choices although the effects of income disparity are well accepted one of the reasons for the success of this type of analysis is that many policy makers and analysts consider the results of a well crafted analysis to be largely free of partisan or political bias here i propose that tradeoffs between the benefits of various possible jobs or careers introduce a significant bias into values imputed based upon willingness to pay wtp measures in particular i demonstrate why we might expect the values of various segments of society to be differentially appreciated by cba empirical evidence is presented indicating that there is a significant negative correlation between the importance an individual places on income and the willingness of that individual to forgo consumption in favor of environmental improvement as well as a correlation between the importance of income and actual income these results suggest that cba as a tool of welfare economics is likely to be biased against environmental protection because concerned individuals are likely to choose careers which do not maximize consumption thus decreasing their ability to pay for both real and hypothetical environmental improvements moreover the size of this bias appears to be large

property rights regimes and natural resources a conceptual analysis revisited summary more than two decades ago schlager and ostrom 1992 developed a conceptual schema for arraying property rights regimes that distinguishes among diverse bundles of rights the conceptual framework has profoundly influenced research on natural resource governance common property and community resource management however currently natural resource governance has changed dramatically challenging the applicability of the conceptual schema there are now many more social actors involved in resource management than the local communities at the focus of original analysis additionally resource management increasingly provides access to various kinds of benefits from outside the immediate context including indirect benefits such as payments for environmental services and results based payments for redd these changes demand addition of new property rights to the original framework this paper updates the conceptual schema in reaction to changes in natural resource governance proposing three specific modifications on the focus of use rights control rights and authoritative rights to come up with a framework that distinguishes eight types of property rights we apply the framework to three purposefully selected governance interventions in china and laos that include the provision of indirect benefits in addition to the direct benefits derived by local people from natural resources the empirical application shows how contemporary governance changes may not lead to local people s outright dispossession since they continue to possess direct use rights to natural resources however local people may be excluded from control and authoritative rights which are exercised exclusively by state agencies and international actors the latter make available indirect benefits to local people which may or may not translate into use rights in the sense of policy based entitlements the empirical insights suggest the possibility of a wider trend of compensated exclusions in natural resource governance

dynamics of the cobweb model with adaptive expectations and nonlinear supply and demand the price quantity dynamics of the cobweb model with adaptive expectations and nonlinear supply and demand curves is analysed we prove that chaotic dynamical behaviour can occur even if both the supply and demand curves are monotonic the introduction of adaptive expectations into the cobweb model leads to price quantity fluctuations with a smaller amplitude however at the same time the price quantity cycles may become unstable and chaotic oscillations may arise we present a geometric explanation why chaos can occur for a large class of nonlinear monotonic supply and demand curves

application of nonlinear mapping theory to commodity price fluctuatuions abstract the cobweb model of price stability with lagged price elasticities is extended to include nonlinear terms the result falls within nonlinear mapping models such as the logistics map nonlinearities prevent the unbounded oscillation predicted from the unstable linear cobweb but the price time series may exhibit chaotic unpredictable endogenous fluctuations the theory is applied to the u s crude oil market regressing consumption against price gives lagged elasticities greater than current elasticities indicating linear instability this instability is seen in a mapping model of the price time series predictions of the model are given both with and without nonlinear terms indicating large continuing endogenous price fluctuations

forest loss monetary compensation and delayed re planting the effects of unpredictable land tenure in china abstract over the past 65 years forest tenure in china has oscillated unpredictably between private and village property regimes this policy induced uncertainty has distorted the harvesting decisions of individuals granted rights to grow trees and has lowered the value of china s forest output we provide an analytical framework for assessing these effects quantitatively understanding the consequences of this policy induced uncertainty is particularly important since china is currently engaged in an ambitious plan to increase its domestic supply of timber to conduct this analysis we extend the literature on forestry economics when there is a risk of loss due to forest fire or pests we 1 take account of the possibility that replanting can only resume after an interval of uncertain length with immediate replanting as a special case 2 investigate the effects of compensation for such losses based only on the net value of the stand of trees at the time of the loss and 3 compare it to compensation that would leave the wealth and rotation decisions of the farmer unaffected by the presence of uncertainty

grain versus food a hidden issue in china s food policy debate abstract the paper examines the likely pattern of china s food trade in the future should china s food trade policy be adjusted to accommodate its comparative advantage differing from the common perception that china s overall food sector will follow the path of grain trade and face an ever growing trend of net imports this study has found an evolving pattern of exchanging food for food in china over the last 15 years the pattern is in part characterized by strong export expansion of selected food products such as vegetables and fruits aquatic products etc the economic rationale behind the pattern is examined through a comparison of relative costs among alternative food products in china the policy implications of the study are discussed

local enforcement and better forests summary current studies of local resource management examine many factors thought to be associated with good resource conditions despite the number of studies and the importance of such resources to millions of people worldwide a lack of theory and hypothesis testing beyond the case level limits the lessons empirical studies offer we argue that regular monitoring and sanctioning of rules rule enforcement is a necessary condition for successful resource management we test our theory using data regarding 178 user groups and by pairing rule enforcement with other important factors social capital formal organization and dependence on forest products

willingness to pay for environmental protection in germany coping with the regional dimension in this paper a two step procedure is applied to estimate an indicator of environmental willingness to pay for germany in considerable regional disaggregation the first step is the estimation of an ordered probit model based on individual data from a representative survey in the second step this model is applied to aggregate nuts iii level data to produce an indicator of regional willingness to pay which is useful for the design of an efficient environmental policy it turns out that the regional distribution of willingness to pay is dominated by the distribution of income in this data set a partir d une approcheadeux etapes cet article cherche a estimer sur le plan regional un indicateur de la volonte de payer la protection de l environnement en allemagne dans un premier temps on estime un modele du type probit ordonne sur la base des donnees individuelles provenant d une enquete representative dans un deuxieme temps le modele se voit appliquer a des donnees globales du type nuts iii afin de pr

treating respondent uncertainty in contingent valuation a comparison of empirical treatments this research examines the impact of uncertainty on contingent valuation responses using 1 a survey of canadian landowners about willingness to accept compensation for converting cropland to forestry and 2 a survey of swedish residents about willingness to pay for forest conservation five approaches from the literature for incorporating respondent uncertainty are used and compared to the traditional random utility model with assumed certainty the results indicate that incorporating uncertainty has the potential to increase fit but could introduce additional variance while some methods for uncertainty can be an improvement over traditional approaches it is imperative to exercise caution when making systematic judgments about the effect of uncertainty on contingent valuation responses

designing payments for environmental services in theory and practice an overview of the issues abstract payments for environmental services pes have attracted increasing interest as a mechanism to translate external non market values of the environment into real financial incentives for local actors to provide environmental services es in this introductory paper we set the stage for the rest of this special issue of ecological economics by reviewing the main issues arising in pes design and implementation and discussing these in the light of environmental economics we start with a discussion of pes definition and scope we proceed to review some of the principal dimensions and design characteristics of pes programs and then analyze how pes compares to alternative policy instruments finally we examine in detail two important aspects of pes programs their effectiveness and their distributional implications pes is not a silver bullet that can be used to address any environmental problem but a tool tailored to address a specific set of problems those in which ecosystems are mismanaged because many of their benefits are externalities from the perspective of ecosystem managers pes is based on the beneficiary pays rather than the polluter pays principle and as such is attractive in settings where es providers are poor marginalized landholders or powerful groups of actors an important distinction within pes is between user financed pes in which the buyers are the users of the es and government financed pes in which the buyers are others typically the government acting on behalf of es users in practice pes programs differ in the type and scale of es demand the payment source the type of activity paid for the performance measure used as well as the payment mode and amount the effectiveness and efficiency of pes depends crucially on program design

global potential for carbon sequestration geographical distribution country risk and policy implications abstract we have provided a framework for identifying least cost sites for afforestation and reforestation and deriving carbon sequestration cost curves at a global level in a scenario of limited information special attention is given to country risk in developing countries and the sensitivity to spatial datasets our model results suggest that within 20 years and considering a carbon price of us 50 tc tree planting activities could offset 1 year of global carbon emissions in the energy sector however if we account for country risk considerations associated with political economic and financial risks carbon sequestration is reduced by approximately 60 with respect to the geography of supply illustrated by grid scale maps we find that most least cost sites are located in regions of developing countries such as the sub sahara southeast brazil and southeast asia

incentives in principal agent relationships this article identifies some of the major issues that have been examined in the literature on incentives the article begins by discussing the frictions that lie at the heart of incentive problems next the principal s optimal response to these frictions is explored taking as given the characteristics of the agents with whom the principal interacts in a nonrepeated setting the design of individualized contracts contests and tournaments is analyzed then the principal s task of selecting the best agent is addressed and repeated agency relationships are considered

public support for reducing us reliance on fossil fuels investigating household willingness to pay for energy research and development abstract in order to reduce future dependence on foreign oil and emissions of co2 how much would us households be willing to pay annually to support increased energy research and development r d activities designed to replace fossil fuels does it matter whether the r d includes nuclear energy options we explore these questions using data from a unique set of national telephone and internet surveys using a national advisory referendum format the contingent valuation method is applied to estimate annual household willingness to pay wtp for us household support of a national energy research and development fund erdf for investments in energy sources not reliant on fossil fuels while accounting for the level of un certainty in voting responses the wtp modeling includes a comparison of both classic maximum likelihood estimation mle and bayesian analysis evidence indicates that mle and bayesian analysis achieve similar statistical inference while the bayesian analysis provides a narrower confidence interval around estimated wtp

transaction costs of carbon offset projects a comparative study abstract the land use change and forestry sector can be a cost effective contributor to climate mitigation in at least three ways providing carbon offsets through carbon sequestration in biomass and soils reducing emissions of methane and other greenhouse gases and producing biofuels that replace fossil fuels the presence of carbon markets should help encourage these activities however most carbon trades to date have occurred in the energy sector a major obstacle to carbon trades from land use systems is the presence of high transaction costs of converting a carbon offset into a tradable commodity so the prevailing market carbon prices may not provide enough incentive for adoption this paper presents a model of the exchange of carbon offsets between a project developer and a group of landholders the model is solved to derive project feasibility frontiers that show the minimum number of contracts necessary to make a project feasible at any given carbon price the model is applied to two case studies smallholder agroforestry in indonesia and partial reforestation of family farms in australia under two types of contract purchase of carbon flows and rental of carbon stocks the paper concludes by identifying possible strategies to reduce transaction costs while maintaining project integrity

chaotic price behavior in a non linear cobweb model abstract the cobweb model for the evolution of prices is considered with backward bending supply curves and multi valued demand curves these deterministic non linear dynamical systems are shown to exhibit a broad spectrum of complex time behavior including stable periodic cycles of arbitrary order and chaos

china s sloping land conversion program institutional innovation or business as usual abstract china s sloping land conversion program slcp is the largest land retirement reforestation program in the developing world having the goal of converting 14 67 million hectares of cropland to forests by 2010 4 4 million of which is on land with slopes greater than 25 and an additional soft goal of afforesting a roughly equal area of wasteland by 2010 pending successful completion it could represent a 10 20 increase in china s national forest area and a 10 decrease in current cultivated area in contrast to china s other forest sector policies slcp uses a public payment scheme that directly engages millions of rural households as core agents of project implementation and has the stated principals of volunteerism thus insofar as current or future de facto program implementation involves decentralized voluntary grassroots participation slcp represents an important departure from business as usual in how china manages its forest resources this work draws upon current available research of the program and uses a 2003 household and village level survey conducted by the center for chinese agricultural policy cas to examine program design implementation and outcomes to date results indicate that significant problems in design and implementation exist with these including shortfalls in subsidies delivered lack of respect of the principals of volunteerism and insufficient technical support and budgeting for local implementation costs more fundamentally some program goals appear to be based on common misperceptions regarding the linkages between forests and watershed services overall slcp contains both innovative elements volunteerism and the direct engagement of farmers as well as components that hark back to policies and mindsets of decades past the program s top down simplified contract structure lack of sufficient consultation with local communities and rural households and campaign style mobilization the paper concludes by providing four main suggestions to improve the program 1 increase local community input in design and implementation and ensure that households have full autonomy in participation choice 2 improve technical support and budgeting for local administrative costs and capacity building 3 clarify the environmental services targeted and verify the measures needed to acquire these services and 4 integrate slcp into an overall package of complementary policies aimed at the rural sector

the environment left wing political orientation and ecological economics the objectives of this commentary are twofold the first is to examine the relationship between a party s position within the left right political spectrum and its stance on environmental issues as stated in party manifestos the second is to examine the relationship between individuals ideological orientation and pro environmental beliefs attitudes and self reported behavior equality distributional concerns and market skepticism are typically regarded as defining factors of left wing political orientation our results suggest that left wing parties and individuals are also more pro environmental than their right wing counterparts ecological economics similarly embraces sustainability efficient resource allocation and equitable distribution and is skeptical towards the ability of unregulated markets to achieve these objectives the hypothesis is put forward that ecological economics is more likely to be supported by left wing parties and individuals

rational expectations may lead to complex dynamics in a muthian cobweb model with heterogeneous agents abstract starting from a muthian cobweb model we extend the profit based evolutionary setting in hommes and wagener 2010 by assuming that in addition to pessimistic optimistic and unbiased fundamentalists the market is populated by rational producers which correctly anticipate the next period price thanks to their introduction we find that differently from the framework in hommes and wagener 2010 the map governing the dynamics is no more monotonically decreasing hence if on the one hand adding rational agents enlarges the local stability region of the steady state on the other hand their consideration opens the door to complex dynamic outcomes characterized by chaotic attractors and rich multistability phenomena that we investigate along the paper

replicator dynamics in a cobweb model with rationally heterogeneous expectations abstract this paper extends the adaptively rational equilibrium dynamics of brock and hommes brock w a hommes c h 1997 a rational route to randomness econometrica 65 1059 1160 by introducing a generalized version of the replicator dynamic the replicator equilibrium dynamics red couples the price dynamics of a cobweb model with predictor selection governed by an evolutionary replicator dynamic we show that the red supports the conclusion of sethi and franke sethi r franke r 1995 behavioural heterogeneity under evolutionary pressure macroeconomic implications of costly optimisation the economic journal 105 583 600 that costly rational beliefs persist though unlike them these results obtain in the deterministic case numerical evidence shows that complex dynamics exist as in brock and hommes even though no weight is placed on strictly dominated predictors in an red steady state

payments for ecosystem services as commodity fetishism abstract payments for ecosystem services pes economically reward resource managers for the provision of ecosystem services and are thus characterised by i an ecological function subject to trade ii the establishment of a standard unit of exchange iii and supply demand and intermediation flows between those who sell and buy ecosystem services this paper departs from the term commodity fetishism broadly understood as the masking of the social relationships underlying the process of production to illuminate three invisibilities in the commodification of ecosystem services firstly we argue that narrowing down the complexity of ecosystems to a single service has serious technical difficulties and ethical implications on the way we relate to and perceive nature secondly the commodification of ecosystem services denies the multiplicity of values which can be attributed to these services since it requires that a single exchange value is adopted for trading finally we suggest that the process of production exchange and consumption of ecosystem services is characterised by power asymmetries which may contribute to reproducing rather than addressing existing inequalities in the access to natural resources and services

intrinsic heterogeneity in expectation formation we introduce the concept of misspecification equilibrium to dynamic macroeconomics agents choose between a list of misspecified econometric models and base their selection on relative forecast performance a misspecification equilibrium is a stochastic process in which agents forecast optimally given their choices with forecast model parameters and predictor proportions endogenously determined under appropriate conditions the misspecification equilibrium will exhibit intrinsic heterogeneity in which all predictors are used at all times even in the neoclassical limit in which only the most successful predictors are used this equilibrium is attainable under least squares learning and dynamic predictor selection based on average profits

social dilemmas and public range management in nevada abstract increasing tension in the nevada ranch community may have had a negative impact on social capital social capital is important because it facilitates cooperation in resolving social dilemmas related to public range management in this paper we use a survey of public grazing permit holders in nevada to investigate factors that affect ranchers relationships with the u s forest service and bureau of land management results indicate that contrary to expectations economic factors such as income and ranch size have little or no effect on relationships in the nevada ranch community on ranchers disagreements with public land managers and the deterioration in rancher land agency relations rather these relationships appear to be affected to a greater extent by our measures of social capital personal characteristics and experience with wildfire indeed disagreements with the public agencies were mainly affected by gender males tended to have more disagreements lack of trust and disputes concerning responses to wildfire which increased the chance of disagreement not surprisingly disagreement resulted in a deterioration of relationships that could be offset by higher levels of social capital particularly trust and positive attitudes towards the future of ranching and the community as measured by responses to a variety of attitudinal questions we conclude that while there remain opportunities to build on existing social capital in the community horizontal relations ranchers and the public agencies need to work on building vertical relations thereby increasing trust this could potentially help in the resolution of social dilemmas related to range management

grain for green versus grain conflict between food security and conservation set aside in china summary this paper examines the conflict that may exist between conservation and food security in china policymakers and scholars are debating whether or not conservation set aside programs threaten food security to address the debate we describe china s conservation set aside program known as grain for green and compare it with similar programs outside of china we then use data that we collected to measure the production and price impacts of the program on china s grain economy since 1999 our simulations find that grain for green has only a small effect on china s grain production and almost no effect on prices or food imports

capturing the value of forest carbon for local livelihoods abstract we contribute to the debate on the social implications of carbon forestry projects by showing that tradeoffs exist between social benefits of projects and their cost effectiveness large scale industrial plantations and strict forest protection are economically viable but pose the highest social risks socially beneficial projects are less cost effective because of their higher transaction costs enabling policies are also required for their success regulation of carbon markets will therefore be required to reduce social risks and enhance benefits we propose a number of regulatory and proactive measures and justify them on the basis of market imperfections and concepts of sustainable development

selling two environmental services in kind payments for bird habitat and watershed protection in los negros bolivia abstract marketing several environmental services from a single area can help access diverse sources of funding and make conservation a more competitive land use in bolivia s los negros valley department of santa cruz bordering the amboro national park 46 farmers are currently paid to protect 2774 ha of a watershed containing the threatened cloud forest habitat of 11 species of migratory birds in this payment for environmental services pes scheme annual contracts prohibit tree cutting hunting and forest clearing on enrolled lands farmer landowners as service providers submit to independent yearly monitoring and are sanctioned for non compliance facilitated by a local ngo fundacion natura bolivia one service buyer is an international conservation donor the us fish and wildlife service interested in biodiversity conservation the second service users are downstream irrigators who likely benefit from stabilized dry season water flows if upstream cloud forests are successfully protected individual irrigators have been reluctant to pay but the los negros municipal government has on their behalf contributed us 4500 to the scheme the negotiated payment mode is annual quid pro quo in kind compensations in return for forest protection predominantly payments are made as contingent project implementation transferring beehives supplemented by apicultural training with regard to service provision environment committees and education programs have increased awareness in downstream communities of the probable water supply reduction effect of continued upstream deforestation external donors have funded subsequent studies providing basic economic hydrological and biodiversity data and covered pes start up us 40 000 and running transaction costs us 3000 per year over the last three years the greatest challenges in the development of the pes mechanism have been the slow process of building trust between service buyers and providers and in achieving clear service provision additionality

using contingent valuation to explore willingness to pay for renewable energy a comparison of collective and voluntary payment vehicles abstract this study uses a split sample dichotomous choice contingent valuation survey of 1574 u s residents to explore willingness to pay wtp for renewable energy under collective and voluntary payment vehicles and under government and private provision of the good we also evaluate the impact of participation expectations on stated wtp we find some evidence that when confronted with a collective payment mechanism respondents state a somewhat higher wtp than when voluntary payment mechanisms are used similarly private provision of the good elicits a somewhat higher wtp than does government provision we also find that contingent valuation responses are strongly correlated with expectations for the wtp of others our results shed light on strategic response behavior and the incentive compatibility of different cv designs and offer practical insight into u s household preferences for how to support renewable energy

volunteer and satisfied rural households participation in a payments for environmental services programme in inner mongolia using survey data from inner mongolia this paper explores the role of stakeholder engagement in the implementation of the sloping land conversion programme a payments for environmental services pes programme designed to restore forest in degraded land based on the idea that volunteerism and satisfaction with the programme s outcome are two important components of the programme s viability we successively analyse the intensity of households participation in the programme and their reported satisfaction with its economic achievement which we relate to their stated volunteerism we show that households participation intensity in the slcp is primarily driven by land and location characteristics and that these findings hold true whether or not the households voluntarily enrolled in the programme moreover as far as participants satisfaction can be interpreted as an indicator of potential long term support for the programme our findings also support plausible sustainability for the programme

political affiliation and willingness to pay an examination of the nature of benefits and means of provision non market techniques are widely used for valuing environmental goods and services recent articles obtain results showing respondents to the right of the political spectrum are significantly less likely to vote in favour of environmental programs that provide public goods through public means in consequence their wtp is lower than that of individuals on the political left we examine whether wtp differs systematically in accordance with political affiliation by using data from three stated preference surveys we obtain results similar to the previous literature from only one survey our other two surveys employ different contexts that change the nature of the benefits from the good and or its provision mechanism the first of these finds no significant differences in wtp by respondent political affiliation and the second finds that respondents on the right of the political spectrum have statistically higher wtps for a good when it is privately provided than under collective provision our results provide further support that context matters and that preferences elicited from surveys for environmental goods are not necessarily independent of the means by which the good is provided

conditional cash transfers and payments for environmental services a conceptual framework for explaining and judging differences in outcomes we develop a conceptual framework elucidating the main determinants of the impact of conditional cash transfer cct and payments for environmental services pes programs using a simple multi agent model and evaluations of existing programs we show that 1 the share of the population who would meet the program s conditions in the absence of payments is a powerful predictor of program efficiency and that 2 program efficiency is eroded by selection bias people who already meet conditions self select into the programs at higher rates than others we then discuss possibilities for increasing efficiency and criteria for evaluating and choosing between ccts pes or other policy instruments

when households go solar determinants of uptake of a photovoltaic scheme and policy insights abstract the need to reduce dependence on fossil fuels has resulted in escalating interest in renewable energy generation yet few countries have seriously tested household potential to produce energy from pv panels propelled by mandatory eu targets for renewable energy and constrained with limited territory the government of malta launched a subsidy scheme with a view to encouraging pv installation by households the scheme reached the desired adoption levels within a very short period of time the study takes an entire country dimension to assess the determinants of household investment in pv panels a unique dataset is specifically constructed for this study we find that the prevalence of younger households higher incomes dwelling ownership and unshared roof space results in higher rates of uptake neither higher educational levels nor the participation in other environmental schemes recycling contribute any explanatory power to uptake of pv panels pro government sentiment captured by voting outcomes significantly and positively influences the take up of the grant and installation of pv panels we conclude by identifying some pointers for policy makers interested in harvesting the potential of households

the role of forest related income in household economies and rural livelihoods in the border region of southern china quarterly socioeconomic data from 240 households are used to study the links between forest related income and rural livelihoods in southern china results show average forest related income shares of 31 5 which was predominantly derived from cultivated non timber sources forest related income was important to households at all income levels although lower income households were more dependent due to a lack of other sources higher income households monopolized off farm income and had more land than low income households forest related income could be increased by making forest land more accessible to the poor improving productivity and removing constraints to smallholder engagement in timber marketing

payments for environmental services in costa rica costa rica pioneered the use of the payments for environmental services pes approach in developing countries by establishing a formal country wide program of payments the psa program the psa program has worked hard to develop mechanisms to charge the users of environmental services for the services they receive it has made substantial progress in charging water users and more limited progress in charging biodiversity and carbon sequestration users because of the way it makes payments to service providers using approaches largely inherited from earlier programs however the psa program has considerable room for improvement in the efficiency with which it generates environmental services with experience many of these weaknesses are being gradually corrected as the psa program evolves towards a much more targeted and differentiated program an important lesson is the need to be flexible and to adapt to lessons learned and to changing circumstances

an institutional analysis of payments for environmental services abstract in this paper the characteristics and functioning of pes is analyzed from an institutional perspective while in theory pes is seen as a market solution to environmental problems as an alternative to state hierarchical and community governance a review of a large amount of case studies shows that pes in practice depends rather fundamentally on state and or community engagement hence pes are foremost a reconfiguration of the roles of public bodies and communities becoming core intermediaries or buyers first to establish pes rights to the land that delivers the environmental service must be clarified this demands public action second transacting over environmental amenities is very costly creating markets for environmental services depends therefore crucially on state and community facilitation hence buyers are often public agencies high transaction costs also influence price setting payments do not follow the market format as intermediaries frequently are setting the price with users often being unaware even of the fact that they pay finally the distinction between payments as incentives and as fair compensations is emphasized while payments may strengthen community relations and simplify action for environmental care they may also introduce a purely instrumental logic and in some cases worsen the environmental status by crowding out environmental virtues for the future greater awareness of these dynamics is warranted

the sloping land conversion program in china effect on the livelihood diversification of rural households summary through addressing the motivations behind rural households livelihood diversification this paper examines the effect of the sloping land conversion program slcp on livelihood diversification using a longitudinal household survey data set spanning the overall implementation of the slcp our results show that the slcp works as a valid external policy intervention to increase rural livelihood diversification in addition the findings demonstrate that the implementation of the slcp has had heterogeneous effects on livelihood diversification across different rural income groups the lower income group was more affected by the program in terms of income diversification

redefining payments for environmental services abstract the environmental economics and the ecological economics perspectives on payments for environmental services pes propose rather different views on how to define pes its key elements and on the role of pes in ecosystem conservation and rural development this paper compares these two perspectives and addresses the following questions what is an appropriate definition of pes grounded in the theory and practice underlying it what are the key design elements of pes what should the scope of pes be given the possible trade offs between efficiency and equity it is found that pes schemes should focus on cost effectiveness and best practice for positive livelihood impacts pes schemes should be transparent and provide additional services with conditional payments to voluntary providers

heterogeneous beliefs and the non linear cobweb model abstract this paper generalizes the evolutionary cobweb model with heterogeneous beliefs of brock and hommes 1997 econometrica 65 1059 1095 to the case of non linear demand and supply agents choose between a simple freely available prediction strategy such as naive expectations and a sophisticated costly prediction strategy such as rational expectations and update their beliefs according to an evolutionary fitness measure such as past realized net profits it is shown that for generic non linear monotonic demand and supply curves the evolutionary dynamics exhibits rational routes to randomness that is bifurcation routes to strange attractors occur when the traders sensitivity to differences in evolutionary fitness increases

can payments for environmental services help reduce poverty an exploration of the issues and the evidence to date from latin america summary this paper examines the main ways in which payments for environmental services pes might affect poverty pes may reduce poverty mainly by making payments to poor natural resource managers in upper watersheds the extent of the impact depends on how many pes participants are in fact poor on the poors ability to participate and on the amounts paid although pes programs are not designed for poverty reduction there can be important synergies when program design is well thought out and local conditions are favorable possible adverse effects can occur where property rights are insecure or if pes programs encourage less labor intensive practices 2004 elsevier ltd all rights reserved

designing transactions without framing effects in iterative question formats abstract several studies document that iterative question formats used in contingent valuation studies produce anomalies in respondent behavior that appear to threaten the validity of welfare estimates by decomposing iterative question formats into their ascending and descending sequences we show that these anomalies occur only in ascending sequences we describe the conditions under which comparable patterns of behavior are likely to be found in other iterative question formats that begin with a discrete willingness to pay question we then develop a unified explanation of these anomalies using our model of framing based on prospect theory we provide the first head to head test of rival explanations of these behavioral patterns by developing refutable hypotheses for the strategic behavior yea saying anchoring and cost expectations models finally based on our own statistically robust model we show how these anomalies can be eliminated without loss of the statistical efficiency of most iterative question formats

information and effort in contingent valuation surveys application to global climate change using national internet samples this contingent valuation study investigates the issues of information access and respondent effort and is based on a series of national internet samples the focus is on a split sample treatment basic information bi versus enhanced information ei in the latter significantly expanded information is provided about global climate change and the kyoto protocol using a referendum format we compare the treatment effect bi versus ei on willingness to pay wtp we develop measures of respondent effort in accessing optional information through the technology of web based surveys and jointly model effort and wtp using a simultaneous estimation approach results support the use of the joint modeling approach for objective measures of respondent effort and wtp respondent effort is shown to be positively and significantly related to wtp however use of the optional menu is rather modest counts of pages and time spent and is highly variable both across pages and respondents

procedural invariance testing of the one and one half bound dichotomous choice elicitation method the contingent valuation method for estimating willingness to pay for public goods typically adopts a single referendum question format which is relatively statistically inefficient as an alternative cooper hanemann and signorello 2002 propose the one and one half bound oohb format allowing researchers to question respondents about both a lower and higher limit on project costs thereby securing substantial gains in statistical efficiency using an experimental design we find that responses to oohb valuation questions fail crucial tests of procedural invariance we test various competing models of observed response patterns including strategic misrepresentation of standard preferences and nonstandard models of preference formation

does eductive stability imply evolutionary stability this note presents a simple example of a model in which the unique rational expectations re steady state equilibrium is eductively stable in the sense of guesnerie 2002 but where evolutionary learning as introduced in brock and hommes 1997 does not necessarily converge to the re steady state price the example is a muthian cobweb model where producers have heterogeneous expectations and select forecasting strategies based upon recent realized profits by means of a simple three types example we show that a locally stable re fundamental steady state may co exists with a locally stable two cycle we also study the muthian model with a large number of different producer types and investigate conditions under which an evolutionary adaptive learning process based upon recent realized profits enforces global convergence to the stable re steady state and when persistent periodic price fluctuations can arise

barriers to massachusetts forest landowner participation in carbon markets u s forests including family owned forests are important carbon sinks and sources for carbon sequestration family forest owners constitute a significant portion of the overall forestland in the u s but little is known about their preferences for participating in carbon sequestration programs the goal of this research is to understand what motivates massachusetts family forest owners to participate in carbon markets the study estimates the probability these landowners would engage in carbon sequestration programs using data from a survey of 930 massachusetts family forest owners results from a random effects ordered probit indicate that under a carbon scenario similar to the current voluntary scheme very few of these landowners would be interested in participating supply analysis indicates these landowners are more influenced to participate by factors other than price regression analysis results suggest that survey respondents are concerned about early withdrawal penalties additionality requirements and contract length forest owner harvesting plans opinions about forest usage and beliefs about climate change all play a significant role in the decision to participate the study suggests that policy makers should consider the reasons behind these low participation rates because private forest owners could play a pivotal role in the carbon sequestration potential of forests

designing choice sets for stated preference methods the effects of complexity on choice consistency abstract we vary the complexity of choice sets used in stated preference methods to evaluate the impact on choice consistency we define five measures of complexity that capture either the amount of information or the correlational structure of information in a choice set using these measures as randomly assigned treatments in a large experiment we analyze the consistency of respondents choices using a heteroskedastic multinomial logit model we find that i all of our measures of choice set complexity affect choice consistency ii changes in the correlational structure of information have the largest impact on choice consistency and iii choice complexity significantly distorts welfare estimates our results confirm economists initial worry that moving from contingent valuation to conjoint methods will increase complexity induced choice inconsistency however our analysis also shows that these negative impacts may be mitigated if precautions are taken at the design and estimation stages of stated preference methods

fuzzy logic and preference uncertainty in non market valuation in seeking to value environmental amenities and public goods individuals often have trouble trading off the vague good or amenity against a monetary measure valuation in these circumstances can best be described as fuzzy in terms of the amenity being valued perceptions of property rights and the numbers chosen to reflect values in this paper we apply fuzzy logic to contingent valuation employing a fuzzy clustering approach for incorporating preference uncertainty obtained from a follow up certainty confidence question we develop a fuzzy random utility maximization frum framework where the perceived utility of each individual is fuzzy in the sense that an individual s utility belongs to each cluster to some degree the model is then applied to a swedish survey that elicited residents willingness to pay for enhanced forest conservation and to a canadian survey of agricultural landowners that elicited their willingness to accept compensation for a tree planting program both the wtp and wta measures we obtain using the fuzzy approach are well below those obtained using standard probability methods based on goodness of fit measures and monte carlo experimentation a case can be made for using a fuzzy preference approach for modeling preference uncertainty as opposed to incorporating respondent uncertainty within the random utility maximization framework

the effectiveness of payments for environmental services we adopt a theory based approach to synthesize research on the effectiveness of payments for environmental services in achieving environmental objectives and socio economic co benefits in varying contexts our theory of change builds on established conceptual models of impact pathways and highlights the role of 1 contextual dimensions e g political institutional and socio economic conditions spatial heterogeneity in environmental service values and provision costs and interactions with pre existing policies and 2 scheme design e g payment type and level contract length targeting and differentiation of payments in determining environmental and socio economic outcomes to shed light on the overall effectiveness of payment schemes and its determinants we review counterfactual based empirical evaluations comparative analyses of case studies and meta analyses our review suggests that program effectiveness often lags behind the expectations of early theorists however we also find that theory has advanced sufficiently to identify common reasons for why payment schemes fail or succeed moreover payment schemes are often rolled out along with other policy instruments in so called policy mixes advances in theory and evaluation research are needed to improve our understanding of how such policy mixes interact with the targeted social ecological systems 2017

valuing climate protection through willingness to pay for biomass ethanol abstract this study uses a multi part split sample contingent valuation method cvm and fair share fs survey to better understand the public s valuation of mitigating global climate change through its willingness to pay for biomass or cellulosic ethanol in addition to a basic cvm question a related scenario was developed that asked half of the survey respondents to state their fair share cost to lessen a potential food shortage in the next decade also through the expanded use of cellulosic ethanol three alternative biomass feedstocks were assessed farming residues forestry residues and paper mill wastes and municipal solid wastes overall a slightly larger proportion of respondents were wtp extra for cellulosic ethanol in the basic cvm scenario than in the fs scenario though no significant differences were found in the wtp for the different feedstocks bid curve lognormal regression results for the two models were similar supporting the idea that asking a fs rather than a conventional wtp question may be justifiable in some circumstances such as in cases of a national emergency

an empirical study of the determinants of green party voting i empirically study the determinants of individuals green voting behavior for this i make use of three datasets from germany a panel dataset and two cross sectional datasets the empirically strongest determinants are the voters attitude or distance to nuclear sites the level of schooling and net income i show that those voters with deviant attitudes or alternative world views are more likely to vote green a result of the fact that the green party has always had the position of a protest party i find little role for demographic variables like gender marital status or the number of children this is in contrast to the stated preference literature age plays a role for explaining voting behavior only insofar as it proxies for health

reconciling theory and practice an alternative conceptual framework for understanding payments for environmental services article i nfo this article provides an alternative and novel theoretical approach to the conceptualization and analysis of payments for environmental services pes we devote special emphasis to institutional and political economy issues which have been somewhat neglected in the literature on pes we argue that the coasean and pure market approach dominating the conceptualization of pes in the literature cannot be easily generalized and implemented in practice by contrast taking into account complexities related to uncertainty distributional issues social embeddedness and power relations permits acknowledging the variety of contexts and institutional settings in which pes operate the alternative approach presented in this introductory article to the special section may be more appealing to pes practitioners since while avoiding restrictive and prescriptive standpoints it allows some key sources of complexities they usually deal with on the ground to be more easily understood

households willingness to pay for reliable electricity services in ghana abstract access to reliable electricity is important in increasing the living standards of households and promoting sustainable development however ghanaian households have had to grapple with frequent power outages and poor quality electricity services in recent times this study examines the factors influencing households willingness to pay for reliable electricity services in ghana using data collected from 950 households in the cape coast metropolitan area and the tobit regression technique it was revealed that monthly income prior notice on power outages business ownership separate meter ownership household size and education significantly affect willingness to pay for reliable electricity services on the average households were prepared to pay 44 percent gh 6 80 us 3 42 more relative to the mean monthly electricity bill in the sample to improve electricity services it is envisaged that the findings would be used by policy makers and utility companies to make electricity generation and distribution more sustainable and efficient

adaptive learning and roads to chaos the case of the cobweb abstract we investigate the dynamics of the cobweb model with adaptive expectations a linear demand curve and a nonlinear s shaped increasing supply curve both stable periodic and chaotic price behaviour can occur we investigate how the dynamics of the model depend on the parameters both infinitely many period doubling and period halving bifurcations can occur when the demand curve is shifted upwards the same result holds with respect to the expectations weight factor

participation in the world s first clean development mechanism forest project the role of property rights social capital and contractual rules abstract clean development mechanism cdm forest projects are perceived as an attractive way to both help mitigate climate change and transfer income to rural poor however to engender participation of small scale producers a cdm forest project must offer sufficient incentives while minimizing their costs of participation all the while respecting the need for additionality property rights social capital and contractual rules are critical in the success of cdm forest projects in this paper we ask what factors affect participation in the world s first cdm project established in guangxi province china using village level surveys we find that although the project facilitates participation through carbon pooling and a share holding system much of the project land remains unforested we find that the primary reasons for the unforested regions are constrained contractual rules property rights allocation disputes and low levels of social capital in some villages

the impact of kinship networks on the adoption of risk mitigating strategies in ethiopia the adoption of certain farm management practices such as tree planting and soil and water conservation can reduce exposure to weather shocks however in many countries the adoption of such risk mitigating measures is far from complete we explore how risk sharing networks in the form of kinship characterized by the moral imperative of within group sharing affects the adoption of risk mitigating activities in rural ethiopia we find suggestive evidence that compulsory sharing invites free riding and attenuates incentives for self protection against weather shocks we also find evidence of the existence of a possible substitution effect between credit and social networks

carl s nonlinear cobweb abstract this essay surveys some of my work on expectations learning and bounded rationality within the classical cobweb model following early inspiring ideas from carl chiarella in particular i focus on the role of nonlinear dynamics learning and heterogeneity within the cobweb framework and how price fluctuations in the cobweb theory fit with observations of individual and aggregate behaviour from laboratory experiments with human subjects

mitigating climate change by planting trees the transaction costs trap land use change and forestry projects are considered a low cost option for addressing climate change mitigation in canada afforestation is targeted to sequester enough carbon to meet one fifth of its international obligations and at lower cost than emissions reduction we examine economic aspects of the institutions and incentives needed to encourage landowners in canada to adopt tree planting on a large scale based on data from a survey of landowners the transaction costs of getting landowners to convert their land from agriculture to plantation forests appear to be a significant obstacle possibly increasing the costs of afforestation projects beyond what conventional economic analysis suggests