We study the relationship between commodity taxation and the effect of entry with imperfect competition. We develop a simple general equilibrium model with imperfect competition in which consumers have variety preferences. As a result, we see that introducing specific taxes increases social...

This paper introduces consumption externalities into one of the base line models of growth in which continuing expansion of product variety sustains long-term growth. We assume that consumers set a benchmark stock of consumption for each good so that there are commodity-specific external...

This paper focuses on strategic interaction within a family and examines individual decision making. We set up a two-stage game model. In the first stage of the game, a man and a woman who have not yet met simultaneously determine their education levels non-cooperatively. In the second stage,...

In this paper, we investigate how strengthening patent protection affects economic growth in an endogenous growth model where both innovation and capital accumulation are the driving forces of economic growth. In this model, stronger patent protection raises the profit flow obtained by...