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MARIA CLAUDIA LOPEZ JAMES J. MURPHY JOHN M. SPRAGGON JOHN K. STRANLUND 《Economic inquiry》2012,50(1):131-142
This paper presents the results from a series of framed field experiments conducted in fishing communities off the Caribbean coast of Colombia. The goal is to investigate the relative effectiveness of exogenous regulatory pressure and pro‐social emotions in promoting cooperative behavior in a public goods context. The random public revelation of an individual's contribution and its consequences for the rest of the group leads to significantly higher public good contributions and social welfare than regulatory pressure, even under regulations that are designed to motivate fully efficient contributions. (JEL C93, H41, Q20, Q28) 相似文献
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Abstract. The efficiency of observational studies may be increased by applying multistage sampling designs. It is, however, not always transparent how to construct such a design to obtain increased efficiency. We here present a general statistical framework for describing and constructing multistage designs. We also provide tools for efficiency and cost‐efficiency comparisons, to facilitate the choice of sampling scheme. The comparisons are based on Fisher information matrices and the results are presented in graphs, where either efficiency or cost‐adjusted efficiency is plotted against a normalized measure of cost. The former curve resides in the unit square and is analogous to the receiver operating characteristic curve used for testing. 相似文献
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This article uses experimental data to test for a complementary relationship between formal regulations imposed on a community to conserve a local natural resource and nonbinding verbal agreements to do the same. Our experiments were conducted in the field in three regions of Colombia. Our results suggest that the hypothesis of a complementary relationship between communication and external regulation is supported for some combinations of regions and regulations but cannot be supported in general. We conclude that the determination of whether formal regulations and informal communication are complementary must be made on a community‐by‐community basis. (JEL C93, H41, Q20, Q28) 相似文献
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ANNA GOTTARD GIOVANNI MARIA MARCHETTI ALAN AGRESTI 《Scandinavian Journal of Statistics》2011,38(3):447-465
Abstract. We propose an extension of graphical log‐linear models to allow for symmetry constraints on some interaction parameters that represent homologous factors. The conditional independence structure of such quasi‐symmetric (QS) graphical models is described by an undirected graph with coloured edges, in which a particular colour corresponds to a set of equality constraints on a set of parameters. Unlike standard QS models, the proposed models apply with contingency tables for which only some variables or sets of the variables have the same categories. We study the graphical properties of such models, including conditions for decomposition of model parameters and of maximum likelihood estimates. 相似文献
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MARIA CECILIA HWANG 《全球网;跨国事务杂志》2021,21(1):108-126
In this article, which is based on research conducted in Hong Kong from 2010 to 2013, and again in 2018, I analyse the region‐bound circulation of independent women sex workers from the Philippines across the Asian global cities of Hong Kong, Singapore, Kuala Lumpur, and Macau. Migrating as visa‐free tourists, they maintain a valid immigration status and maximize their income in the informal economy by adopting a step‐down transient mobility pattern characterized by a downward hierarchical circulation to multiple city‐states and country destinations. As I show, their multinational migration is produced and structured through the instrumentalization of a mobility infrastructure constituted by a regime of visa‐free circulation, transportation developments, commercialized migration services, and social networks. In this article, I attempt to extend the contemporary analysis of unauthorized migration by moving away from the prevailing focus on incorporation and settlement and towards an examination of the logics and mechanics of migration flows that occur outside state‐sanctioned channels. 相似文献
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We apply a model of satisficing to oligopoly markets with price competition. Sellers have profit aspirations reflecting their conjectures about their competitors' behavior and search for a price guaranteeing these aspirations. Because it seems implausible that people have detailed priors on the others' actions, we postulate that sellers entertain multiple conjectures to which no probabilities can be assigned. This allows us to propose a theory of “prior‐free” optimality and to examine experimentally whether people comply with it. We find that decision makers have difficulties in making prior‐free optimal choices. Most are content to just satisfice, although ways to aspire to more ambitious profits were obviously available. (JEL C92, C72, D43) 相似文献
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Standard economic models tend to be more specific about pecuniary payoffs than nonpecuniary payoffs to education. Based on the ideas of Akerlof and Kranton, we consider a model of career choice and identity where individuals derive nonpecuniary identity payoffs. Using factor analysis on a range of attitude questions, we find two factors related to identity (career orientation and social orientation), which are important for planned educational choices and for observed gender differences. The implication is that policy makers and institutions of higher education need to focus on identity‐related issues rather than just improved financial incentives if they aim at attracting high‐ability youths to certain careers. (JEL I21, J24) 相似文献