We stress some efficiency aspects of monopolistic competition justifying it on account of its tendency to innovate and the questionable excess capacity paradigm. Some further efficiency aspects revealed are product variety and transaction cost savings. We view the monopolistically competitive...

Excess capacity is viewed as a distinctive feature and an essential inefficiency of monopolistic competition as the large-group case of imperfect competition. Using a simple geometrical approach and studying the demand and cost curves faced by the individual firm, we find that there is little...

This paper uses a long time series of German employment data to test the theory of Ngai & Pissarides (2007). The theory suggests that the shift of employment shares from manufacturing to services is due to divergent growth rates of total factor productivity (TFP) in the two sectors. To test the...

Effects of R&D investment on frim/industry productivity have been investigated widely thanks to pioneering contributions by Zvi Griliches and others in late 1970s and early 1980s. We aim to establish where the balance of the evidence lies and what factors may explain the variation in the...

Input Output Analysis is a powerful tool to formally analyze the economics of service production in business terms. Through its methodology, it is able to integrate different approaches from other disciplines and address their shortcomings in terms of production theory. This review paper...

This work aims to compare the Keynesian theory, namely by the Verdoorn Law, the neoclassical theory, by the absolute convergence, and the geographic concentration, by the Rybczynski equation, explanations about the different manufactured industry of the Portuguese regions (NUTs II), for the...

This paper examines the relationship between health aid and infant mortality, using data from in total 135 countries (for the purposes of this study, developing countries), between 1975 and 2010. Utilizing both conventional Instrumental Variable and System GMM approaches, a tentative conclusion...

We analyze the effect of interregional migration on regional unemployment in Italy. With the help of a simple two-region model adapted to the main features of the Italian NorthSouth dualism, we illustrate the effects of labor mobility with and without human capital externalities. Using...

Im Rahmen der Bund-Länder-Gemeinschaftsaufgabe „Verbesserung der regionalen Wirtschaftsstruktur“ werden zur Förderung strukturschwacher Regionen vor allem Investitionszuschüsse an gewerbliche Betriebe vergeben. Welche Wirkung diese Subventionen gehabt haben, wird in diesem Beitrag mit...

With this work it is intended to analyze the contributions of the Keynesian theory to the explanation of the regional evolution in Portugal. Considering the Keynesian models in different perspectives and taking into account the Verdoorn (1949) relationship it is did data and econometric analysis...