The Solow condition is examined in an intertemporal model that blends the shirking and the turnover models of efficiency wages with managerial supervision. It is shown that the Solow condition does not hold when shirking and turnover costs are considered. The Solow condition can be a possible...

This paper derives an optimal investment function that combines Tobin's q with Goodwin's nonlinear accelerator. It provides microfoundations to the backward looking behavior of investment in Goodwin's model, and simultaneously allows the study of Tobin's q into a business cycle model