Constructing a general equilibrium model which compactly incorporates the markets for outputs, labor, money, and equities, we examine equilibrium unemployment. While a mechanism of an efficiency wage brings about nominal wage rigidity, unemployment occurring in our model definitely has Keynesian...

This paper investigates how population aging affects economic growth in a general equilibrium model of life cycle savings combined with endogenous growth. It shows that population aging is not necessarily a negative factor for growth. Introducing an old age pension system into the model, the...

This paper presents a general equilibrium model that extends a static New Keynesian framework to an overlapping generations model. The model shows multiple stationary states, one of which has the following strong Keynesian features: (1) a reduction in wages generates increased unemployment...

This note examines how the second chance, when provided to a disadvantaged player, can resolve the prisoner’s dilemma.

Industrial development is often accompanied by massive migration from agricultural to industrial areas. This paper compares two steady states, the first and the second, which emerge before and after the termination of such migration, respectively. The paper shows that 1) the employment rate must...