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511.
512.
Using a general equilibrium model with heterogeneous waste, this paper studies optimal waste policy when households have to
exert separation effort to produce homogeneous waste streams suitable for recycling. Our model explicitly allows for changes
in the composition (quality) of waste streams depending on how much effort households are willing to spend on separating different
types of waste. Accordingly, we are able to generalize some earlier contributions to the waste management literature and demonstrate
that with both mixing and effort included, a first-best optimum is feasible under reasonable conditions. In particular, we
find that a (modified) deposit-refund system still provides the optimal incentives to guide recycling as well as legal disposal
(landfilling) and illegal dumping. Both the number and level of taxes and subsidies needed to reach the first-best depend
crucially on the socially optimal level of dumping as well as the socially optimal composition of the mix.
We are grateful to two anonymous referees, Leon Bettendorf, Elbert Dijkgraaf, Don Fullerton and Matthieu Glachant for constructive
comments and useful discussions on an earlier version of this paper. 相似文献
513.
Results derived from empirical analyses on the stability of climate coalitions are usually very sensitive to the large uncertainties
associated with the benefits and costs of climate policies. This paper provides the methodology of Stability Likelihood (SL)
that links uncertainties about benefits and costs of climate change to the stability of coalitions. We show that the concept
of SL improves upon the robustness and interpretation of stability analyses. Moreover, our numerical application qualifies
conclusions from a recent strand of literature based on stylised models with ex-ante symmetric players that learning has a
negative impact on the success of coalition formation in context of uncertainty.
相似文献
514.
This paper reviews website evaluation studies in the tourism and hospitality fields published between January 1996 and September 2009. A website evaluation framework that includes evaluation by phases, evaluation by features, and evaluation by features and effectiveness is developed. The strengths and weaknesses of each method of evaluation are analyzed, and research gaps and future research directions are explored. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
515.
Rob Frieden 《Telecommunications Policy》2013,37(4-5):400-412
Receiving authority to dismantle the wireline public switched telephone network (PSTN) will deliver a mixture of financial benefits and costs to incumbent carriers and also jeopardize longstanding legislative and regulatory goals seeking ubiquitous, affordable and fully interconnected networks. Even if incumbent carriers continue to provide basic telephone services via wireless facilities, they will benefit from substantial relaxation of common carriage duties, no longer having to serve as the carrier of last resort and having the opportunity to decide whether and where to provide service. On the other hand, incumbent carriers may have underestimated the substantial financial and marketplace advantages they also will likely lose in the deregulatory process. Legislators and policy makers also may have underestimated the impact of no longer having the ability to impose common carrier mandates that require carriers to interconnect so that end users have complete access to network services regardless of location.This paper will identify the potential problems resulting from prospective decisions by National Regulatory Authorities (NRAs), such as the United States Federal Communications Commission (FCC), to grant authority for telecommunications service providers to discontinue PSTN services. The paper also will consider whether in the absence of common carrier duties, private carriers providing telephone services, including Voice over the Internet Protocol (VoIP), voluntarily will agree to interconnect their networks. The paper will examine three recent carrier interconnection issues with an eye toward assessing whether a largely unregulated marketplace will create incentives for carriers to interconnect networks so that consumers will have ubiquitous access to PSTN replacement and other broadband services.The paper concludes that private carrier interconnection models and information service regulatory oversight may not solve all disputes, or promote universal service public policy goals. Recent Internet interconnection and television program carriage disputes involving major players such as Comcast, Level 3, Fox, Cablevision and Google point to the possibility of increasingly contentious negotiations that could result in balkanized telecommunications networks with at least temporary blockages to desired content and services by some consumers. 相似文献
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517.
Sjanne Marie E. van den Groenendaal Charissa Freese Rob F. Poell Dorien T. A. M. Kooij 《Human Resource Management Journal》2023,33(1):224-240
This study aimed to advance our understanding of inclusive human resource management (HRM) in freelance employment. We examined organizational needs and freelancers' psychological contracts with a qualitative interview study among eight dyads of HR managers and freelancers. Although the findings showed that organisations and freelancers have different interests, both parties agreed on what inclusive HRM entails in freelancers' employment relationships. However, within the dyads, the content of the psychological contract was not always viewed the same by HR managers and freelancers. Hence, negotiating mutual expectations when implementing inclusive HRM to avoid psychological contract breach appeared important. Furthermore, organizational needs did not seem to be considered when designing inclusive HRM. Due to this lack of strategic fit, organisations may waste opportunities of tapping into the full potential of hiring freelancers. The findings provide organisations insight in considering freelancers as potential sources of competitive advantage. 相似文献
518.