This paper presents necessary and sufficient conditions for unambiguous changes in wage inequality in a dual economy, based on analysis of the entire Lorenz curve. These conditions are then used to analyze the distributional consequences of various types of economic growth. In particular, it is...

This paper examines whether growth regressions should incorporate dualism and structural change. If there is a differential across sectors in the marginal product of labour, changes in the structure of employment can raise aggregate total factor productivity. The paper develops empirical growth...

Patents act as an incentive to innovate. However, as this paper argues, patents can lead the patent holder to rest on his laurels and at the same time discourage some innovators from innovating, reducing knowledge spillovers. The combined result of the above suggests an inverse U relationship...