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111.
Walter Allegretto Giovanni Barone-Adesi Robert J. Elliott 《European Journal of Finance》2013,19(1):69-78
An approximate solution to the American put value is proposed and implemented numerically. Relaxation techniques enable the critical price to be determined with high accuracy. The method uses a modification of the quadratic approximation of MacMillan and Barone-Adesi and Whaley which gives an expression for the critical price. Numerical experimentation and iterative methods quickly provide highly accurate solutions. 相似文献
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Walter N. Torous 《Journal of Banking & Finance》1985,9(3):363-385
Equilibrium coupon bond pricing relationships given differential taxation are derived under uncertainty assuming that both corporate and municipal bonds were originally issued at par but are currently selling at a discount. The impact of differential taxation upon the term structure and coupon structure of interest rates is investigated, while the tax structure of interest rates is uniquely characterized. Differential taxation substantially alters the prevailing equilibrium structure of interest rates. 相似文献
115.
The economic performance of public utilities under different rate-base valuation methods is examined in this paper. A unique procedure, involving Ordinary Least Squares regression analysis, examined data for all usable firms in states which have changed rate-base methods since World War II. The sample consists of 20 electric firms extending over 30 years of time-series data. Equations for individual firms were run to capture the effects of changes on rate-base methods on capital intensity and capacity utilization on each separate business. Contrary to expectations, there was no clear pattern indicating that firms in the sample increased the rate of capital intensity when their rate-base method was changed to fair value from original cost. Similarly, expected excess capacity was not found under fair-value regulation. The general conclusion is that there is no reason to believe that different rate-base valuation methods induce allocative inefficiency. Nevertheless, inefficiency may already exist in regulated monopolies in the form of X-inefficiency. 相似文献
116.
Path dependent option prices are employed to derive implied standard deviations of the underlying security price process without recourse to numerical procedures. We empirically illustrate our methodology by inferring the volatility of gold prices. 相似文献
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Walter Raven 《Business ethics (Oxford, England)》1995,4(2):114-117
Last September a British chapter of the European Business Ethics Network was launched at an inaugural Conference, "Implementing Ethical Business", in Cheltenham and Gloucester College of Higher Education. The author of this conference report is the principal consultant of Corporate Social Responsibility Consultants, 28A Tooting Bec Rd., London SW17 8BD. 相似文献
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