Empirically R&D expenditure moves pro-cyclically, but the pro- cyclicality is a puzzle from the Schumpeterian point of view. The paper examines the cyclical property of R&D expenditure in the context of endogenous growth, and concludes that (i) substitutability between investing in physical...

The hypothesis that the behavior of firms in adjusting the number of their employees along a business cycle depends on the size of the firms has often been mentioned in the literature. Several authors argue that small and medium sized enterprises are more hesitant in hiring additional employees...