The purpose of this paper is to develop a simple model of oligopoly that can be used to examine the effect on production, pricing and welfare of two groups of firms having different production costs. All firms are assumed to produce a homogeneous good, compete on quantities and firms within the...

A non-linear model utilising the sine function is proposed as an appropriate model of economic growth over time and is used to examine the link between volatility and economic growth. The most appropriate functional relationship is found by using non-linear generalised least square estimation on...

The purpose of this note is to develop a general model of trade between countries in which benefits and costs of free trade and restrictions to trade can be analysed. The model assumes a linear relationship in all of its components and the existence of a general equilibrium in prices in the...

The purpose of this note is to introduce how to evaluate strategic choices of the firm using economic principles. The procedure is based on simple cost benefit considerations such as building on the economic principles of incentive compatibility constraints based in Game Theory

The effect of consumer protection on firms' strategy choices in a market with perfect competition is examined in a simple model. It is found that consumer protection may lead to reduced product quality and adverse effects on firm survival