This study considers what we call the "degree of optimality" of quota assignments for each OPEC member country based on certain proposed fairness "factors. We argue that these factors should ideally be based on energy and economic conditions that ought to be taken into consideration when...

Purpose – This paper aims to investigate the presence of currency substitution in eight African countries. Design/methodology/approach – This study investigates the presence of currency substitution in eight African countries – Egypt, Morocco, Nigeria, Ghana, Kenya, South Africa, Tunisia...

This paper examines the performance of trend-following trading strategies in commodity futures markets using a monthly dataset spanning 48 years and 28 markets. We find that all parameterizations of the dual moving average crossover and channel strategies that we implement yield positive mean...

It is the flow of capital services, instead of the capital stock, along with the flows of other inputs which is related to the flows of outputs in economic theory of cost and production. In applied research, quite often to capture the dynamic phenomena which occurs within a year, there is a need...

In this note we derive expressions for the Morishima elasticity of substitution for a multiple input and outputs profit function. These expressions may have important applications to empirical studies.