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91.
In Davidson and MacKinnon (1981), two of the present authors proposed a novel and very simple procedure for testing the specification of a nonlinear regression model against the evidence provided by a non-nested alternative. In this paper we extend their results in several directions. First, we relax a number of the assumptions of the previous paper; we admit the possibility that the nonlinear regression functions may depend on lagged dependent variables, and we do not require that the error terms be normally distributed. Second, we show how the earlier procedure may straightforwardly be generalized to the case where the two non-nested models involve different transformations of the dependent variable. Finally, we propose a simple procedure for testing non-nested linear regression models which have endogenous variables on the right-hand side, and have therefore been estimated by two-stage least squares. 相似文献
92.
This article examines how works councils in the West German automobile industry have influenced management approaches to technological change in three firms. The authors argue that while the post-war industrial relations consensus in Germany can be increasingly questioned, car-makers in the English speaking countries have important lessons to learn from their German counterparts. 相似文献
93.
In this paper, we examine the implications of imposing separability on the translog and three other flexible forms. Our results imply that the Berndt-Christensen ‘nonlinear’ test for weak separability tests not only for weak separability, but also imposes a restrictive structure on the macro and micro functions for all currently known ‘flexible’ functional forms. For example, testing for weak separability using the translog as an exact form is in fact equivalent to testing for a hybrid of strong (additive) separability and homothetic weak separability with Cobb-Douglas aggregator functions. Our results show that these ‘flexible’ functional forms are ‘separability-inflexible’. That is, they are not capable of providing a second-order approximation to an arbitrary weakly separable function in any neighbourhood of a given point. 相似文献
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Some accounting educators have questioned whether selected interactions between the “Big Eight” accounting firms (Firms) and accounting educators might affect the academic freedom and independence of accounting educators. This study compares the current and normative attitudes of accounting professors about certain areas of these interactions and concludes that a significant difference exists between the attitudes of the current and the normative groups. The implications of this finding are discussed. 相似文献
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R. L. Smyth 《Scottish journal of political economy》1967,14(2):110-117
100.
Russell Lewis 《Economic Affairs》1991,11(4):35-37
What is the future of Competition Policy? Russell Lewis discusses this and other issues with the Secretary of State for Trade and Industry, the Rt Hon, Peter Lilley MP. 相似文献