This paper derives a basic formula for the measure of social welfare, a second order approximation to the difference of the value of the Bergson-Samuelson social welfare function between the socially optimal resource allocation and the one in the present suboptimal economy. We discuss pros and...

This paper studies the relationship between horizontal product differentiation and the welfare effects of third-degree price discrimination in oligopoly. By deriving linear demand from a representative consumer's utility and focusing on the symmetric equilibrium of a pricing game, we...

The almost continuous stagnation of the Japanese economy for the past two decades has had an adverse impact on Japanese households from at least three perspectives: A decline in the standard of living, an increase in risks and uncertainties relating to livelihood, employment, old age, etc., and...

Using a small country model with habit-forming consumers and costly investment, we analyze equilibrium dynamics of the economy and derive empirical and welfare implications. The model can mimic some stylized facts: (i) a temporary increase in fiscal spending always deteriorates the current...