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991.
We consider a Walrasian exchange economy in which an agent is characterized by a utility function, a random endowment vector,
and a function that specifies the minimum expenditure necessary for survival at a given price system. If at any equilibrium
price system, the income of the agent is no more than the minimum expenditure for survival, it is ruined. The main results
characterize the probability of ruin when the number of agents is large. The implications of stochastic dependence among agents
are explored. 相似文献
992.
Both the US and UK governments attempted desperate measures during World War I in an effort to maintain wartime production levels of necessary commodities and to allow for their economical purchase by the military. Loft (1986a, 1986b, 1990) has studied the British experience in depth, concluding that UK cost accountancy 'came into the light' as a result. It might be expected that similar developments would have occurred in America with the activities of the War Industries Board. In both countries, national associations were established in the immediate aftermath of the war to promote the professional standing of cost accountants. This paper utilizes archival materials in an effort to investigate whether US cost accountancy was developing more sophisticated costing techniques as Loft has claimed for the UK, or whether practitioners in this country were left 'still cursing the darkness'. Our findings suggest that cost accountancy developed in parallel fashion in both countries. US and UK cost accounting professionalism was dominated by the presence of leading financial accounting practitioners, and in both countries the movement towards more sophisticated costing techniques was gradual rather than dramatic. 相似文献
993.
This paper examines the idea of ranking of groups and genders of unemployed labour force participants in terms of their hiring probabilities.We find a clear ranking of men over women in the hiring process in Australia. We also find that amongst males, employed job seekers are ranked above those unemployed and, in turn, above those not in the labour force. For women, the unemployed and employed are not found to be competing with each other, whilst those not in the labour force are ranked below the unemployed. 相似文献
994.
In this paper the authors introduce a novel approach to stochastic image processing, denoted as Differential Markov Random Field (DMRF), which has been applied to gravity anomaly separation problems. The advantages of the method are that it introduces only little distortion into the shape of the original image and that it is not affected significantly by factors such as the overlap power spectra of regional and residual fields. Testing of the proposed meth using synthetic examples gave excellent results. 相似文献
995.
DeCarlo Thomas E. Laczniak Russell N. Azevedo Kari A. Ramaswami Sridhar N. 《Marketing Letters》2000,11(4):349-361
Log-linear procedures have been recommended for analyzing data that are in the form of counts or frequencies (Iacobucci and McGill 1990). In its current form, the recommended procedure does not deal with multiple response data (i.e., more than one thought per response category). The paper proposes analytical modifications that researchers need to consider when fitting models with this type of data. The problems and recommended modifications are illustrated with two distinct data sets. The first involves consumers' attribution responses to negative word-of-mouth communication about a brand whereas the second pertains to consumers' cognitive responses toward an advertisement. Results in each case indicate that researchers may generate erroneous conclusions about the significance of estimated parameters if the recommendations are ignored. 相似文献
996.
产业安全问题研究评述 总被引:2,自引:0,他引:2
产业安全问题制约产业自主健康可持续发展。近年来,外资在华并购的“斩首”策略愈来愈明显,严重威胁着中国的产业安全。本文对国内外学者对产业安全理论的研究进行了梳理,概述了不同时期国内的不同学者对于国家产业安全问题的研究理论,以期对中国在开放条件下继续深入研究产业安全理论,解决国家产业安全问题有所启示。 相似文献
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