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1.
Arthur Lewbel 《Journal of Applied Econometrics》2003,18(2):127-135
Past parametric tests of demand system rank employed polynomial Engel curve systems. However, by Gorman's ( 1981 ) theorem, the maximum possible rank of a utility‐derived polynomial demand system is three. The present paper proposes a class of demand systems that are utility derived, are close to polynomial, and have rank four. These systems nest rational polynomial demands, and so can be used to test ranks up to four. These systems are suitable for applications where high rank is likely, such as demand systems involving a large number of goods. A test of rank using this new class of systems is applied to UK consumer demand data. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
2.
Stefan Hochguertel Rob Alessie & Arthur van Soest 《The Scandinavian journal of economics》1997,99(1):81-97
We study the structure of household portfolios of financial wealth by analyzing both the determinants of total financial wealth and the choice between risky (stocks and bonds) and riskfree assets (saving accounts). The econometric specification is a generalized trivariate Tobit model, estimated on a cross section of 3,077 households in the Netherlands in 1988. We account for endogeneity of financial wealth and for selectivity due to nonreporting. Results show that the level of financial wealth and the marginal tax rate are major determinants of the allocation between riskfree and risky assets. 相似文献
3.
Arthur J. Adams 《Journal of the Academy of Marketing Science》1986,14(3):52-57
Forecast improvement is often approached by attempting to find the “best” model for a given situation. Less attention has
been paid to the possibility of examining past prediction errors for patterns that may suggest forecast adjustments for the
future. This empirical study involves one firm’s management judgment forecasts for product sales and the attempts made to
improve their accuracy by removing certain types of bias. In three of the five series examined, error reduction averaging
close to thirty percent occurs as a result of the adjustment procedure. The other two series proved to be relatively free
from bias and were therefore not in need of the correction method described. 相似文献
4.
Thomas D. Willett Aida Budiman Arthur Denzau Gab-Je Jo Cesar Ramos John Thomas 《The World Economy》2004,27(1):25-44
Various claims have been made about the causes of the Asian crisis and its spread. Here, we use data on the behaviour of capital flows during the crisis to test the strong forms of four such hypotheses, that portfolio investors and hedge funds played a dominant role in initiating and/or spreading the crisis; that moral hazard kept efficient markets from predicting the crisis; and, finally, the common lender hypothesis of Kaminsky and Reinhart. In the process we also test implications of the Calvo-Mendoza model of rational investor ignorance. All are falsified as monocausal explanations. For example, portfolio investments that could not have been subject to substantial moral hazard continued to flow into Asia until very shortly before the crisis. Likewise, banks were a much larger source of capital outflows during the crisis than were portfolio investors. While falsified in their strongest forms, several of these hypotheses in less strong forms should play a role in a more nuanced analysis. It is necessary to move past simple single-factor approaches in order to produce a more complete, synthetic explanation of this episode. 相似文献
5.
While the techniques become more sophisticated, the hardware and software go through new generations and we move towards such unexplored options as internet fundraising and legal restraints, the challenges and successes in the field of fundraising and in the personality of fundraisers should not change very much: they are faced with the assignment of making the donors feel important, the causes seem attractive, and making the system move with ease and comfort for everyone concerned. The author gives strong credence to such ‘simple’ matters as appearance, health, ethics, virtue and giving attention to words as well as innuendo. The reader will learn if he or she ‘listens’ to the message of this paper; if, on the other hand, he or she is looking for a shortcut or a foolproof plan short of living and loving in the field, it will not be found — in this or any other paper. Fundraising is a synergestic system: you put everything you know together, and it comes out to equal more than the sum of its parts. Still, you keep on learning. The best fundraiser has not yet been born; the most successful campaign has not yet begun; the wisdom is still being assembled. This paper is one man's overview of where we have been, what we are doing in best practice scenarios, and what is possible if we ‘Look sharp, feel sharp, be sharp and listen’; it includes a good overview of ‘Anecdotal excellence: people, places and things’. The paper starts with a word from God and ends with a reminder for us all: ‘We must remember — to look forward!’ Copyright © 2002 Henry Stewart Publications 相似文献
6.
Teaching Business Ethics - Cross-cultural management researchers haveobserved that when presented with similarethical dilemmas and problems, managers raisedin different cultural environments... 相似文献
7.
Background risk can influence the performance of insurance markets that must deal with adverse selection when applicants are risk vulnerable, since they are more averse to bearing the insurable risk as a result of their exposures to background risk. We show that background risk always results in a lower deductible for the incentive constrained contract, and that a broader range of markets attains the stable sequential equilibrium cross-subsidized pair of separating contracts. We conclude that background risk always improves the performance of markets for coverage against (insurable) foreground risks that must deal with adverse selection. We also find, however, that these improvements are never sufficient to offset the cost to insureds of bearing the background risk. 相似文献
8.
Arthur J. Robson 《Journal of Economic Theory》2003,111(1):1-22
Strategic rationality is subjected here to natural selection. In a zero-sum repeated game of incomplete information, one long-run individual is informed of the state of the world, and plays against a sequence of short-run opponents who are not. Strategies are noisy and have bounded recall. An equilibrium in these is shown to exist. Relative to any such equilibrium, sufficiently greater recall enjoys an advantage that is not decreasing in the original level of recall, thus capturing the Red Queen effect. The selection pressure to reduce a small amount of noise is less than that to increase recall. 相似文献
9.
10.
This paper proposes a scheme to facilitate the siting of noxious facilities. A regional government announces that it will (a) use a lottery to choose a site for a noxious facility and (b) transfer income from tenants to host-city landowners to at least partly offset the effects of the noxious facility on local property values. The government will hold the lottery only if all citizens agree, in advance, to abide by the resulting siting decision. The lottery approach is superior to the conventional approach to siting (advance notification) in the sense that the lottery approach achieves unanimous support for the siting decision with less compensation. The compensation scheme can be financed with a regionwide tenant tax or a tax on residents in the nonhost city. For “small” compensation programs, the nonhost tax is superior to the regional tax. 相似文献