(Originally published in Journal of Mathematical Economics (1994) 23(5): 435-450) - This paper proposes a method of establishing the global univalence of a mapping without the assumption of continuity and the absence of points of inflection. When the functions are not continuous and the points...

This paper examines the conditions under which the Marshallian type of cardinal utility function can be derived from a class of ordinal utility functions.

(Originally published in Journal of Quantitative Economics (2000), 16 (2): 53-64) - In an n x n economy, the relation between commodity prices and factor prices has been presented in terms of finite variations. Using a generalization of the dominant diagonal condition on the Jacobian of the set...