Presented here is the economical model with one commodity that is produced by two independent business entities. Investigated is the mutual impact of entities on each other, and formally described is the dynamics of competitive behavior. The research techniques and results are based on the...

The paper examines a new possibility of output gaps in an economy without any rigidity. The driving force behind the new possibility is non-cooperative behavior of consumers. The paper shows that there is a possibility that when a fundamental shock hits an economy this non- cooperative nature...

This paper presents a more realistic endogenous time preference model, incorporating the property that impatience decreases as consumption increases. The model overcomes a serious drawback of the existing model, which needs the assumption of increasing impatience. The new model is applied to the...

Uncertainty represented by volatilities in equity markets has been observed to be time-variable and lead output fluctuations. In the rational expectation framework, uncertainty with this nature needs exogenous variables with time-varying volatilities, but technology, tastes and fiscal and...