We present an extension of the Goodwin growth-cycle model that considers the rate of capacity utilization as a new variable in an adapted Lotka-Volterra system of differential equations. We derive a differential equation for the capacity utilization that is proportional to the difference between...

This paper analyzes the behavior of monopoly firm serving its products to two countries. The main focus of this paper is on how the product-quality choice in different markets are related with the cost structure of the firm. First, This paper examines the effects of production and R&D costs on...