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The main tools and concepts of financial and actuarial theory are designed to handle standard, or even small risks. The aim of this paper is to reconsider some selected financial problems, in a setup including infrequent extreme risks. We first consider investors maximizing the expected utility function of their future wealth, and we establish the necessary and sufficient conditions on the utility function to ensure the existence of a non degenerate demand for assets with extreme risks. This new class of utility functions, called LIRA, does not contain the classical HARA and CARA utility functions, which are not adequate in this framework. Then we discuss the corresponding asset supply-demand equilibrium model. 相似文献
263.
Monika J.A. Schrder Morven G. McEachern 《International Journal of Consumer Studies》2004,28(2):168-177
Ethical attitudes in relation to meat purchases were studied among urban and rural consumers in Scotland. All subjects perceived at least some ethical issues in relation to animal production systems, in particular, systems keeping animals in close confinement. Welfare‐friendly production systems were viewed as adding value to a food, but this value was not necessarily realizable to producers if purchases occurred only when foods were on special offer. Statements made by individuals were often contradictory, revealing ambivalence, unresolved value conflicts and a general lack of involvement in the nature of meat production. A number of barriers to the establishment of stable attitudes and behaviours in relation to the ethical treatment of food animals were also identified. A key finding of the study is that individuals can hold two views on animal welfare. On the one hand, they may think as citizens influencing societal standards, and on the other, as consumers at the point of purchase. As citizens, they support the notion of animals being entitled to a good life; as meat consumers, they avoid the cognitive connection with the live animal. This paper explores both the citizen–consumer relationship and purchase strategies used by consumers to resolve value conflicts. Lessons for public and commercial policy are highlighted in the context of the Curry Report (2002) which advocates more effective market segmentation where markets are finely attuned to their customers, with the development of a number of assurance schemes discussed in the article. 相似文献
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Journal of Quantitative Economics - The paper tries to apply a new technique — the decomposition principle — to centre state financial relations in India. As, appropriate data are not... 相似文献
267.
Recent advances in the theory of credit risk allow the use of standard term structure machinery for default risk modeling and estimation. The empirical literature in this area often interprets the drift adjustments of the default intensity's diffusion state variables as the only default risk premium. We show that this interpretation implies a restriction on the form of possible default risk premia, which can be justified through exact and approximate notions of "diversifiable default risk." The equivalence between the empirical and martingale default intensities that follows from diversifiable default risk greatly facilitates the pricing and management of credit risk. We emphasize that this is not an equivalence in distribution, and illustrate its importance using credit spread dynamics estimated in Duffee (1999) . We also argue that the assumption of diversifiability is implicitly used in certain existing models of mortgage-backed securities. 相似文献
268.
Gary A. Dymski 《International Review of Applied Economics》2005,19(4):439-457
This paper suggests one set of mechanisms that ties financial globalization processes to local dynamics of financial inclusion or exclusion. Specifically, this paper explores the worldwide reconsideration of financial firms’ strategies that has accompanied financial globalization. It is shown that the neoliberal and asymmetric‐information approaches to credit markets and financial crises in developing economies overlook these dimensions of financial globalization because of their tendency to focus on representative credit markets. Banks’ strategic shift has led to the global homogenization and stratification of financial practices—and this in turn has been a key driver of processes of financial exclusion. Financial exclusion then involves bifurcation within financial markets, so that different markets serve different portions of the household and business population. This analysis suggests a reconstruction of Minsky’s microfoundational model of the origins of financial fragility and crisis, which shifts from Minsky’s emphasis on a representative borrower–lender relationship to a situation of borrower–lender relationships in bifurcated markets. 相似文献
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Hugo A. Keuzenkamp 《Journal of economic surveys》1995,9(2):233-248
Books reviewed in this article: David F. Hendry (1993) Econometrics: Alchemy or Science? Essays in Econometric Methodology 相似文献