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51.
Don M. Chance 《The Financial Review》1996,31(4):859-867
This paper provides a direct method of obtaining an accurate estimate of the implied volatility of a call option. It adds a quadratic adjustment term to an already-known formula for at-the-money calls, previously developed by Brenner and Subrahmanyam [3]. The adjusted formula is quite accurate for options no more than 20 percent in- or out-of-the-money and is simple to program and compute. 相似文献
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This article outlines the current processes of change in Australian industrial relations - processes whose ultimate direction and effects are unforeseeable. The traditional dominance of conciliation and arbitration tribunals is giving way to more devolved arrangements. Some protagonists of change envisage a move towards collective bargaining, with trade unions having a pervasive and secure role; others believe the place of unions is in question. The impulse for change comes partly from market-oriented ideology, but this is not extensively discussed, A second source is the desire of the Australian Council of Trade Unions and the Labor Government to determine wage policy jointly, with the role of the Australian Industrial Relations Commission being essentially that of implementation. Also important is a widely held view that reform of industrial relations is a path to better productivity performance. The paper discusses the justification for that view. Various questions remain to be answered. These include the possibility for enduring wages policy; the legal framework necessary for bargaining; the nature of the industrial relations system of non-union enterprises; and the congruence of enterprise bargaining with the structure of trade unionism. 相似文献
55.
In this paper a theoretical framework is presented for the analysis of the effects of psychological, perceptual or expectational factors on household expenditure within a complete demand system. The model was estimated using the Consumer Sentiment Index, which represents an index of consumer perceptions of economic conditions. Evidence was found for significant expectational effects on five of nine expenditure categories—food at home, alcohol, housing, durables and other services. The direct expectation effects were found to be small in size. The results demonstrate the model's potential usefulness as a framework for modelling consumer behavioral responses to expectations and for evaluating the welfare implications of policy-induced changes in expectations. 相似文献
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This paper develops and applies a model to measure the effects of deferral on world and U.S. incomes. It is assumed that elimination of deferral would be accompanied by a compensating reduction in the U.S. corporate income tax rate which would leave the overall tax burden of corporations unchanged. The results of the model support several conclusions: Deferral has a positive net effect on world income, but has a negative effect on U.S. income; over two-thirds of the income gains of foreign countries due to deferral goes to developed or oil-exporting countries; and the Tax Reform Act of 1976 has roughly doubled the importance of deferral. 相似文献
57.
Don N. Ike 《American journal of economics and sociology》1984,43(4):469-480
A bstract . Land ownership in the agricultural sector of the Nigerian economy is basically communal. Under this system the land holding group is the family, clan, village or community. An important practice under communal ownership is the principle of inalienability of land. The mobility of the agricultural labor force is inhibited. Non-provincials are forbidden to plant cash crops. Property rights to land are not specific. Individualized allotments are absent and land markets non-existent. Other details of the communal system of land tenure in Nigeria are given. Reasons are sought for the persistence of custom in the practice of inalienability of land even when economic conditions have changed, enabling the right perception of land values. 相似文献
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Previous research has determined the different internal service quality (ISQ) characteristics in the East and the West; however, the differences within Chinese subcultures still remain unknown. The objective of this study is thus to determine whether the importance level of ISQ factors and attributes is similar within the different Chinese subcultures. The empirical results show there are significant differences between Taiwan, China, and Singapore in the purchasing function of the manufacturing industry. Internal service providers should thus be able to use the results of this research to improve the service quality they direct towards their customers. This study also offers recommendations for managers to increase the levels of ISQ in Chinese businesses. 相似文献