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91.
We endogenise the extent of consumer participation in the recycling process, and analyse its effect on the ‘recycling problem’. When recycling requires consumers to undertake costly sorting activities to separate scrap from household waste, they will participate only if the net reward from sorting is positive. Consumers' sorting cost is subject to a network effect arising due to social norms. With heterogeneous consumers differing in terms of their sorting cost, the entire output of the recyclable product may not be subsequently available as scrap to the recycling firms. This increases the virgin producer's monopoly power, and may also lead to multiple equilibria if the network effect of sorting is sufficiently large. The latter result suggests a role for the government in influencing equilibrium selection to improve social welfare. Depending on the fraction of consumers that participate in recycling, increased societal pressure on consumers to recycle may decrease consumer participation and increase the virgin producer's market power. 相似文献
92.
FRIKKIE BOOYSEN SERVAAS VAN DER BERG 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2005,73(Z1):545-563
Social grants may play an important role in mitigating the impact of HIV/AIDS. Eligibility for these grants is driven in part by the increasing burden of chronic illness, the mounting orphan crisis and the impoverishment of households associated with the epidemic. This article investigates the role of social grants in mitigating the socio‐economic impact of HIV/AIDS in South Africa, using data from a panel study on the household impact of the epidemic. Social grants reduce inequality and decrease the prevalence, depth and severity of poverty in affected households. However, these transfers also have disincentive effects on employment, while non‐uptake is in some cases higher amongst the poorest. 相似文献
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MATTHEW J. VAN ESSEN 《Journal of Public Economic Theory》2013,15(3):363-377
This paper introduces a new incentive‐compatible mechanism which, for general preference environments, implements Lindahl allocations as Nash equilibria. We provide an example that having a mechanism induce a supermodular game is not typically sufficient to guarantee dynamic stability of equilibrium. However, for the new mechanism, inducing a supermodular game guarantees that the best reply mapping is a contraction. Thus, this new mechanism provides a connection between the desirable welfare properties of Lindahl allocations and the theoretical/convergence properties of games whose best reply mappings are a contraction. 相似文献
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PATRICK WALLIS 《The Economic history review》2008,61(1):26-53
This article examines the early development of specialized retail shops in early modern London. It argues that apothecaries' shops were sites of innovative shop design and display. These practices were responses to attitudes to consumption, the problematic nature of the medical commodities which apothecaries sold, and, particularly, contemporary concerns about their reliability, trustworthiness, and honesty. The article concludes that analyses of the rise of the shop need to be revised to incorporate early developments by producer-retailers, such as apothecaries and goldsmiths, and suggests that investments in retailing were driven more by worries about commodities than enticing customers. 相似文献
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Housing Collateral, Consumption Insurance, and Risk Premia: An Empirical Perspective 总被引:5,自引:0,他引:5
In a model with housing collateral, the ratio of housing wealth to human wealth shifts the conditional distribution of asset prices and consumption growth. A decrease in house prices reduces the collateral value of housing, increases household exposure to idiosyncratic risk, and increases the conditional market price of risk. Using aggregate data for the United States, we find that a decrease in the ratio of housing wealth to human wealth predicts higher returns on stocks. Conditional on this ratio, the covariance of returns with aggregate risk factors explains 80% of the cross‐sectional variation in annual size and book‐to‐market portfolio returns. 相似文献
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