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The Effects of the Structural Variables of the Iranian Industries on the Social Cost: The SCP Approach | ||
| Iranian Journal of Economic Studies | ||
| مقاله 2، دوره 3، شماره 1، تیر 2014، صفحه 21-42 اصل مقاله (489.28 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijes.2014.3110 | ||
| نویسندگان | ||
| Mohammad Nabi Shahiki Tash؛ Forough Jahantigh* | ||
| چکیده | ||
| This paper studies the effects of the structural variables of the Iranian industries sector on the welfare cost using to the Structure-Conduct-Performance (SCP) theory. In other words, we investigate the role of structural components and their effects on the size of the welfare cost in Iran's industry sector. We have used the Leibenstein's model to calculate the deadweight loss and then the panel data model has been used to quantify the model. Leibenstein believed that in many cases the monopolistic industries operate inefficiently due to being on the margin of safety. So in addition to the welfare triangle, the costs of the inefficiency of monopolistic industries should be also considered as the welfare cost. Our results demonstrate that there is a direct relationship between the welfare cost and all of the parameters of the model (barriers to entry, market concentration, economies of scale, state ownership share and firm size). | ||
| کلیدواژهها | ||
| Leibenstein model؛ Inefficiency؛ Social Cost؛ SCP Approach | ||
| مراجع | ||
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Ashraf-zadeh, H. & Mehregan, M. (2008). Econometrics of Panel Data. Tehran University, Tehran. Baltagi, Badi. (2005). Econometrics analysis of panel data. New York: John Wiley& Sons Ltd. Berger, A. N. & Mester, L. J. (1997). Efficiency and productivity change in the U.S. commercial banking industry: A comparison of the 1980s and 1990s. No 97-5, Working Papers from Federal Reserve Bank of Philadelphia. Harberger, A. C. (1954). Monopoly and resource allocation. The American Economic Review, 44(2), 77-87. Hausman, Jerry A. (1978). Specification test in econometrics. Econometrica, 46(6), 1251-1271. Haddad K, G. R. & Sadegh M. (2012). Dual Job Holding in the Iran’s Urban Labor Market: An application of panel data and dual sample selection. Economic Research Journal, 47(3), 85-108. Johnston, J. & Dinardo, J. (1997). Econometric methods. 4th Edition. New Jersey: MacGraw-Hill. Khodadad Kashi, F. (2007). Economic of scale in Iranian economy: Khalilzadeh, Shirazi, J. (1974). Market structure and price-cost margins in U.K. Manufacturing Industries. Review of Economics and Statistics, 56(1), 67-76. Khodadad K, F. (2009). Competition and concentration in manufacturing sector during first socioeconomic and cultural development plan of Iran. Iranian Economic Review, 12(2), 127-141. Leibenstein, H. (1966). Allocative efficiency vs. "x-efficiency". The American Economic Review, 56(3), 392-415. Leibenstein, H. & Comanor, W. S. (1969). Allocative efficiency, x-efficiency and the measurement of welfare losses. Economica, New Series, 36(143), 304-309. Posner, R, A.(1975). The social costs of monopoly and regulation. The Journal of Political Economy, 83(4), 807-828. Sadraei Javaheri, A., Zabihidan, M. S. & Balaghi, A. (2011). An investigation on the effects of advertising and industrial concentration on profitability in Iranian food products and beverages. Iranian Journal of Agricultural Economic, 5(3), 193-208. Shahiki Tash. M. N. & Nasiri Aghdam, A. (2011). Concentration, barrier to entry and economies of scale in the Water Air conditioner Industry in Iran and evaluation of social welfare cost. Quarterly Journal of Economics Review, 8(1(28)), 73-98. Shahiki Tash, M. N. & Foyouzi Ekhtiari, N. (2009). Estimation of social cost of monopoly in insurance industry: A case study of Iran, Iranian Economic Research, 13(38), 133-155. | ||
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