This paper provides estimates of the elasticity of substitution between operational and managerial jobs in the US economy during the years 1969- 2011. Estimating the long-term relationship between the aggregate employment/self-employment ratio and the returns from paid-employment relative to...

According to several empirical studies, the Present Value model fails to explain the behavior of stock prices in the long-run. In this paper we consider the possibility that a linear cointegrated regression model with multiple structural changes would provide a better empirical description of...