This paper proposes a new approach to explain the long-term evolution of a supplier industry. The network of vertical relations between suppliers and buyers is identified as a determinant of the concentration of the supplier industry and of the dynamics of market shares. The vertical structure of the industry is captured by collecting information on all vertical relations between dyads of firms...

T C teel remains one of the most important manufacturing industries in Indiana, and the dominant manufacturing industry in Northwest Indiana. The Chicago region continues to lead the U.S. in steel production, accounting for as much as 28% of the total output of steel in the country.1 Currently, steel mill employment accounts for nearly 10% of total employment in Northwest Indiana,2 compared wit...

urbanization agglomeration that is named jacobs externalities, refers to the role of economic diversification in urban. localization agglomeration, marshal-arrow-romer (mar) externalities, is related to the concentration of firms activated in a special industry within a specified place. the purpose of this research is to explore the impact of different types of agglomeration economies on employ...

China and ASEAN have been maintaining a relationship both cooperative and competitive in the textile trade. Due to its labor intensive feature and high dependence on foreign trade , the textile trade has received much attention after the 2008 financial crisis. The customs data (classified by the HS code) from year 2006-2009 is employed to research the impact of the crisis on the trade pattern o...

according to the literature, economic liberalization is an important factor affecting the intra industry trade (iit). present paper is trying to examine the positive effect of economic liberalization on iran’s iit as well as to review the effectiveness of important components of economic liberalization including privatization, trade liberalization, exchange rate liberalization and financial lib...

firm size and its impact on the firm performance examined in all of economics historical periods from different point of view. meanwhile, productivity is one the most important performance index for each firm, therefore so many studies tries to survey firm size impact on it. in iran also, economics literature replete with productivity studies but the impact of size on it rarely seen between the...

this paper is analysing the role of economic reforms on the labour market in iranian industry in economic reform period (1990-2005), and in turn, it is comparing it with closed economic period (1979-1989). in order to do the above comparative analysis, the manufacturing industry has been categorized based on hecksher-ohlin and gause methodology. accordingly, we have some industrial groups, incl...

Solid waste management in steel industry is broadly classified in “4 Rs” i.e. reduce, reuse, recycle and restore the materials. Reuse and recycling the entire solid waste generated in the process of steel making is a viable solution in targeting a clean, green and zero waste technology leading to sustainable development of the steel industry. Solid waste management has gained importance in stee...

This note argues about a central analytical inconsistency of Ericson and Pakes (1995). Notwithstanding the explicit claims of the article, the formal hypotheses employed there imply that a firm’s investments do not affect both the evolution of this firm and the dynamics of the whole industry. JEL Classification Numbers: C62, D57, E13, L11.