The vast bodies of studies in the word and recently in Iran have attempted to investigate the manufacturing industry structure (indicating the level of industries in terms of monopoly or competitiveness) and its trend using the various indices and methods. Despite the importance of Lorenz Curve and Gini Coefficient in indicating the market structure, these methods, capabilities have been neglec...

In this paper we explore the impact of electronic commerce on the industry structure and market power allocation of China’s pharmaceutical industry. Firstly, we describe the overall characteristics of the pharmaceutical Industry in general. Secondly, we develop a value chain based framework of analysis for China’s pharmaceutical industry. We divide the pharmaceutical industry value chain into t...

One of the main activities of regulation is the control of market development by influencing the number of firms in an industry, their entry into an industry, and their exit from an industry. Population ecology is used as a framework for explaining both the direct and indirect effects of regulatory activity on entry, exit, and market structure. This framework is then used to derive specific pro...

Technology and industry structure are intertwined in complicated ways. So complicated that little research has been carried out on this subject. One of the few dogmas within the field is that rapid technological change is conducive to change in industry structure. This paper analyzes a case for which this proposition does not hold. The investigated industry is a technologically vigorous sector ...

the paper studies of the effect the related and unrelated diversification for products and ownership structure on capital structure for a sample of 87 firms out of 19 industry listed on the tehran stock exchange during the period 2004- 2009. for to regress of models to apply of multivariate approach include panel data and cross-sectional regressions. this study adopts panel fixed effects regres...

The fast and steady economic growth in China during the 1990s has attracted much international attention. Using the three most recent Chinese input-output tables, this paper investigates industry structure and inter-industry relationships and the relationship of both to economic growth. The input-output tables contain intermediate demand and final demand for six broad industries, namely, Agricu...