This book is based on three themes: the business cycle, re- gime switching and wages. Each term is linked to the other in a simple and direct way. The business cycle is the main topic, regime switching is a device to generate cycles, and wages is the point of view from which the analysis is...

We argue for the adoption of a predictive approach to model specification. Specifically, we derive the difference between means and the ratio of determinants of covariance matrices when a subset of explanatory variables is included or excluded from a regression. Results for an economic...

In this paper, we examine the proposition that both the structures of conglomerate firms and their merger activities evidence a systematic attempt to diversify income sources and reduce the volatility of firms' profits. We test whether firms that are active in one line of business are more...

This paper analyzes a dynamic model with (1) an investment function that emphasizes cash flow, (2) a Keynesian macroeconomic framework that determines cash flow endogenously, (3) a dynamic labor market model that drives wage and price adjustments, and (4) boundedly rational expectations....