The aim of this paper is to identify the industrial markets coordinates with the help of Herfindahl–Hirschman concentration index, cost disadvantage ratio (CDR) index and Comanor and Wilson's economies of scale index (MES). The paper also attempts to recognize Iran's monopolistic industries through the Fuzzy TOPSIS method presented by Chen (2000) under triangular fuzzy membership function. Give...

This article challenges recent research (Evans, 2008) reporting that the concentration of cited scientific literature increases with the online availability of articles and journals. Using Thomson Reuters’ Web of Science, the present article analyses changes in the concentration of citations received (2and 5-year citation windows) by papers published between 1900 and 2005.Three measures of conc...

In 1992, the U.S. Federal Energy Regulatory Commission created a secondary market for natural gas transportation whereby shippers holding firm transportation capacity on interstate natural gas pipelines can compete with the pipeline in the provision of transportation services. However, if a shipper does not use some of its contracted firm transportation capacity, the pipeline can resell that ca...

In this article, we examine the market structure for real estate brokerage services across six large metropolitan statistical areas (MSAs) to see whether low-income neighborhoods, or neighborhoods where house prices are low, are as well served by real estate professionals as higher income or higher priced neighborhoods. We collect more than 300,000 real estate listings and compute the Herfindah...

In the Western world, consumers complain about the soaring of non-interest bank fees during the recent years, the post global financial crisis in particular. Commercial banks charge a variety of non-interest fees for their transactions. This paper empirically tests whether the free charges are significantly different between conventional commercial banks and interest free Islamic banks. The ave...

This article provides data-driven analyses of Lithuanian foreign trade activities. We combine Herfindahl-Hirschman Index (HHI) and Lauraéus-Kaivo-oja (LKI) measures to identify key changes trends in export import structures the economy. The findings suggest that portfolios economy have been successfully diversified Smart Specialisation Strategy (S3) successful implemented years 2015 through 202...

We study the effect of hospital market concentration on the quality of patient data protection practices. We use approximately 200 reported data breaches in US hospitals over the period 2006 2011 as a measure of the quality of patient data protection practices. We measure market concentration using the Herfindahl-Hirschman Index (HHI) and estimate our models by exploiting cross-sectional HHI va...

This paper examines the development and comparison of competition concentration in banking insurance sector Czech Republic during 2007-2019 period using Herfindahl-Hirschman index (HH index). In empirical section we calculate degree indexes separately for markets, where main variable relation to banks is balance sheet this gross written premium companies. Subsequently, compare two examined sect...