The study deals with the theory and measurement of competitiveness. The basic theory of firm implies that under constant returns to scale the unit cost of production can be used to measure the marginal cost of production and to model the impact of competitiveness on the market share of a firm....

This report is a synthesis of the previous literature analyzing the role of different types of companies on economic growth and employment, and an overlook on the impacts of different policy measures on companies. The role of large companies in the economy is still significant, although...