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41.
Points of Reference and Individual Differences As Sources of Bias in Ethical Judgments 总被引:1,自引:0,他引:1
The authors demonstrate that ethical judgments can be biased when previous judgments serve as a point of reference against which a current situation is judged. Scenarios describing ethical or unethical sales practices were used in an experiment to prime subjects who subsequently rated the ethics of an ethically ambiguous target scenario. The target tended to be rated as more ethical by subjects primed with unethical scenarios, and less ethical by subjects primed with ethical scenarios. This "contrast effect," however, is contingent upon individual differences. Specifically, subjects with high (versus low) needs for cognition are more likely to process and use the information presented in the priming scenarios as a point of reference against which to judge the target situation, and hence more prone to the contrastive bias. Implications for avoiding unintentional moral relativism in business decision-making are discussed. 相似文献
42.
Numerical evaluation of multivariate contingent claims 总被引:7,自引:0,他引:7
We develop a numerical approximation method for valuing multivariatecontingent claims. The approach is based on an n-dimensionalextension of the lattice binomial method. Closed-form solutionsfor the jump probabilities and the jump amplitudes are obtained.The accuracy of the method is illustrated in the case of Europeanoptions when there are three underlying assets. 相似文献
43.
Glenn W. Boyle 《The Financial Review》1996,31(1):209-226
The capital investment/dividend decision of the firm is analyzed under alternative assumptions about the system of dividend taxation. Relative to the classical system, imputation can yield (1) more disagreement amongst shareholders as regards the optimal investment plan, (2) less capital investment on aggregate and (3) fewer gains from mergers. Moreover, in contrast to the classical system, shareholders with high marginal tax rates can be more disadvantaged by dividend deferral than shareholders with low marginal tax rates. 相似文献
44.
Investment, Uncertainty, and Liquidity 总被引:5,自引:0,他引:5
We analyze the dynamic investment decision of a firm subject to an endogenous financing constraint. The threat of future funding shortfalls lowers the value of the firm's timing options and encourages acceleration of investment beyond the first‐best optimal level. As well as highlighting another way by which capital market frictions can distort investment behavior, this result implies that (1) the sensitivity of investment to cash flow can be greatest for high‐liquidity firms and (2) greater uncertainty has an ambiguous effect on investment. 相似文献
45.
Boyle Kevin J. Taylor Laura O. 《The Journal of Real Estate Finance and Economics》2001,22(2-3):303-318
Hedonic models are commonly used to estimate marginal willingness to pay for environmental amenities. These studies utilize variables that are assumed to be measured without error (such as the square footage of the lot or the number of bedrooms) and proxy variables (such as neighborhood or school quality). Lot and structural characteristics may in fact be measured with error. Potential sources of error include inaccurate measures and inconsistent updating. We investigate the effect of using tax-assessor data versus survey data from purchasers to estimate the implicit price of an environmental amenity, lake-water clarity. Convergent validity of the implicit price for water clarity is established if the town and survey data provide statistically indistinguishable estimates of implicit prices for this amenity. Overall, the town-office and survey data on property characteristics were not statistically different in three of the four market groupings examined, which suggests that the traditional municipal sources of these data may not contain substantial measurement error. Furthermore, convergent validity is satisfied in all four market areas. However, differences in computed implicit prices of clarity in two of the market areas are large enough that policy decisions for environmental quality could be affected by the source of the lot and structural data. 相似文献
47.
This paper analyses the distribution of returns on a hedged portfolio, consisting of a European call option and its associated stock, when the portfolio is rebalanced at discrete time intervals. Under the assumptions of the Black-Scholes model this distribution is particularly skew. In tests of the average return on a hedged portfolio this skewness leads to biased t-statistics. The paper explores the nature and extent of this bias and suggests procedures for overcoming it. Other aspects of discrete hedging are also discussed. 相似文献
48.
G. Boyle 《Journal of Agricultural Economics》1982,33(2):181-192
A translog cost function was used to obtain estimates of the own- and cross-price demand elasticities for nitrogen, phosphorus and potassium. The results indicated a mean value for the own-elasticities of —1.0, —0.6, —0.5 for N, P and K respectively. A test of the hypothesis of nutrient substitution was attempted. The test indicated that P and K were substitutable for N but not for each other. This result was corroborated by a zero elasticity of substitution estimate between phosphorous and potassium. A corollary of the results was the rejection on empirical grounds of the Cobb-Douglas specification for the input demand functions. The latter function has traditionally been used in analyses of this nature. 相似文献
49.
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