In This Paper, We Generalize Hoy and Robson (1981) Analysis and We Provide a Necessary and Sufficient Condition for Insurance Not to Be Giffen. the Condition Gives a Bound for the Variation of the Absolute Risk Avesion Which Pemits the Wealth Effect to Be Always Dominated by the Subsitution Effect.

In this paper, we propose exact inference procedures for asset pricing models that can be formulated in the framework of a multivariate linear regression (CAPM), allowing for stable error distributions. The normality assumption on the distribution of stock returns is usually rejected in...

Why do some organizations decline while other do not? to study this issue , we introduce technological change into a theory of agency proposed by Laffont and Tirole. We show that the optimal organizational form for production depends on the estent of scale ecoomies and on the cost of monitoring...

This Paper Studies Tests of Joint Hypotheses in Time Series Regression with a Unit Root in Which Weakly Dependent and Heterogeneously Distributed Innovations Are Allowed. We Consider Two Types of Regression: One with a Constant and Lagged Dependent Variable, and the Other with a Trend Added. the...

This Paper Examines for the Manufacturing Sector, over the 1972-1981 Period, Two Measures of the Tax Preferences Associated with the Corporate Tax System in Canada. the First Is the Importance of Tax Expenditure Calculated As the Difference Between the Nominal and Effective Tax Faced by the...