To date, the validity of empirical Bowman’s paradox papers that employ mean-variance approach for testing the risk/return relationship are inherently unverifiable and their results cannot be generalized. However, this problem can be overcome by developing an econometric model with two...

From institutional, resource dependence and organizational ecology perspectives, there are two initial requirements for organizational survival: 1) there are sufficient resources in the niche, and 2) the organization can obtain these resources. A new concept, saturation, is created to measure...

This issue of Omega contains a commentary by P.L. Brockett, W.W. Cooper, K.H. Kwon, and T.W. Ruefli on the review of Bowman’s paradox by Nickel and Rodríguez, published in the February 2002 issue of Omega. In their commentary, the authors describe an article, published in the 1992 issue of...

In organizational ecology, we find the analysis of the impact exerted by competition between populations on vital ratios to be relatively under-developed. This paper intends to address this issue by developing new competition measurements whose common denominator is to give importance to...

Varios artículos, desde la teoría de la organización, han contrastado la existencia de relaciones negativas entre rentabilidad y riesgo, si bien sus resultados son cuestionables, principalmente por la falta de identificación del sistema. En este artículo, superamos este problema mediante un...

Tradicionalmente, el riesgo total de la empresa se ha desglosado en dos componentes: riesgo sistemático y riesgo específico. No obstante, la investigació n sobre el concepto de riesgo ha estado claramente volcada sobre el primero de ellos. La causa de este sesgo en la investigación viene...