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We study the representative consumer's risk attitude and efficient risk-sharing rules in a single-period, single-good economy in which consumers have homogeneous probabilistic beliefs but heterogeneous risk attitudes. We prove that if all consumers have convex absolute risk tolerance, so must the representative consumer. We also identify a relationship between the curvature of an individual consumer's individual risk sharing rule and his absolute cautiousness, the first derivative of absolute risk-tolerance. Furthermore, we discuss some consequences of these results and refinements of these results for the class of HARA utility functions. 相似文献
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Phillip O’Hara 《Forum for Social Economics》2013,42(2):51-80
The purpose of this paper is to examine whether a new family-community social structure of accumulation (FSSA) has emerged in the Unites States to contribute to long-wave growth and development through the early decades of the 21st century. Institutions that promote system-functions or public goods are required for sustainable growth and development. Three dimensions of the potential FSSA institutions are examined in this paper, within the context of the systemic circuit of social capital: (a) stability within families, (b) trust and association in the community, and (c) the degree of relative equality. Overall, the findings are that a new FSSA does not currently operate in the US because the emerging family type is not promoting sufficient stability, trust has diminished to low levels, and structural inequality has continued to rise. These factors have negatively impacted long-term economic performance through several transmission mechanisms, which are analyzed in the paper. 相似文献
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Chiaki Nakano 《Futures》1989,21(6):640-646
The Japanese economy and management since the Second World War have been guided by the influence of Japanese cultural uniqueness. Misunderstanding of the nature of the Japanese economy stems in part from lack of a universal principle derived from the Japanese experience. The ‘Humanistic Enterprise System’ (HES) advocated by H. Itami in his latest work is one of the most useful concepts developed to date, and views the Japanese HES economy as supplying the paradigm for 21st century global economics. HES is based on a people-centred economic philosophy in which human resources are primary for economic activity, and consists of three principles—employee sovereignty, general sharing, and an organized market. 相似文献
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Chiaki Nakano 《Journal of Business Ethics》1997,16(16):1737-1751
In the United States, a series of survey studies have been done to examine corporate managers' views of business ethics and various business practices (Baumhart, 1961; Brenner and Molander, 1977; Vitell and Festervand, 1987). This paper is a replication study conducted in Japan of those American studies. The results of the study suggest that Japanese managers tend to be more situational in their ethical orientation than Americans. The results also show that the company policy on ethics is the most important factor influencing Japanese managers' ethical decisions. 相似文献
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Under the American College and University Presidents’ Climate Commitment (ACUPCC), institutes of higher education have pledged to pursue a goal of carbon neutrality. We utilize emissions reported under the ACUPCC agreement and a nonparametric data envelopment analysis approach in order to evaluate the relative performance of signatories to the agreement in terms of producing teaching and research with the least greenhouse gas emissions. We find that while many signatory institutions are now producing their desirable outputs relatively efficiently in terms of carbon emissions, there still exists considerable variation in efficiency and potential for improvement. Results of a second stage efficiency change analysis shows evidence of both movement towards the efficiency frontier since signing, and some movement of the frontier itself, though this evidence comes primarily from teaching-focused institutions. 相似文献
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A univariate real-valued function is said to be completely monotone if it takes positive values and alternate the signs of its higher order derivatives, starting from everywhere negative first derivatives. We prove that the representative consumer’s discount factor of a continuous-time economy under uncertainty is a power function of some completely monotone function of time satisfying certain boundary conditions if and only if it may be derived from a group of consumers having constant and equal relative risk aversion, and constant and yet possibly unequal discount rates. 相似文献
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We provide necessary and sufficient conditions on an individual's expected utility function under which any zero-mean idiosyncratic risk increases cautiousness (the derivative of the reciprocal of the absolute risk aversion), which is the key determinant for this individual's demand for options and portfolio insurance. 相似文献
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Michael E. O’Hara 《Empirical Economics》2013,45(3):1167-1187
This paper investigates the empirical identification of perceived congestion and mitigating behavior using observational data. Congestion effects are identified using a procedure based upon a nonlinear function of the choice attributes combined with an equilibrium condition on the sorting behavior of participants. Results suggest that congestion effects can be identified, under certain assumptions, using only revealed preference data, and that ignoring these effects underestimates the strength of preferences for other attributes. The model is applied to data on rock climbers, and the resulting estimates used to simulate the reopening of a currently closed section of a popular NY rock-climbing area and the re-sorting of climbers that would result. 相似文献