A dynamic North - South general equilibrium model of international product cycle is presented in this paper. The qualitative effects of strengthening intellectual property rights (IPR) on the balanced growth rate of the world economy is studied in two alternative cases: (i) imitation is direct...

The article develops a dynamic three-sector product variety model to analyze the role of imitation on skilled--unskilled wage inequality. One of these sectors produces varieties of innovated products with skilled labor as well as unskilled labor and another sector produces varieties of imitated...