Document Type : Research Paper
Authors
1 Ph. D Student, Department of Wood and Paper Science & Technology, Faculty of Natural Resources, University of Tehran, Karaj, Iran.
2 Professor, Department of wood and paper science and technology, Faculty of natural resources, University of Tehran, Karaj, Iran.
3 PhD Student, Department of Wood and Paper Science & Technology, Faculty of Natural Resources, University of Tehran, Karaj, Iran.
4 Assistant Professor, Department of Wood and Paper Science & Technology, Faculty of Natural Resources, University of Tehran, Karaj, Iran
5 Ph. D of Wood and Paper Science and Technology Department, University of Tehran, Karaj, Iran.
Abstract
One of the most important economic goals of any state or economic system is to maintain a competitive position in every market. Competition in the market is ultimately improving the well - being of consumers and economic performance. Market analysis in order to resolve appropriate decisions by relevant agencies requires recognition of its structure. In order to judge the extent of competition and monopoly on each market, the concept of Concentration is primarily used. Different indicators are used to measure the market concentration. This study was conducted with the aim of assessing the market concentration of Iran bedroom furniture and showing changes for the period from 1388 to 1397. In this regard, indicators of market concentration such as Concentration ratio, Herfindahl-Hirschman, Hall-Tiedman, Comprehensive concentration index and Hana-Kay were calculated. According to the results of the Herfindahl-Hirschman index, the furniture import market in this period is uncompetitive and the kind of monopoly of the firm and in 1396 year the market structure of a multi - lateral monopoly. According to the Hall-Tiedman Index, the market structure was a multi - faceted monopoly. Comprehensive index values of industrial concentration show a multi - sided monopoly market. The increase in the values of the Hana-Kay index has reached from 1388 to 1397, indicating a decline in the monopoly of the market. In general, in this regard, indicators of market concentration such as, Concentration ratio, Herfindahl-Hirschman, Hall-Tiedman, Comprehensive concentration index and Hana-Kay were calculated. The results show the existence of an oligopoly on the market. Monopoly has fluctuated with regards to the countries political-economic conditions in the mentioned period.
Keywords
)