PARAMETRIC ESTIMATION OF LERNER INDEX AND EVALUATION OF COMPETITION AND MONOPOLY RATE IN IRAN INDUSTRIES

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SHAHIKI TASH M.N.; NOROUZI A.

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Journal: Journal of Economic Modelling Year:2014 | Volume:8 | Issue:3 (27) Page(s): 71-89

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Title

PARAMETRIC ESTIMATION OF LERNER INDEX AND EVALUATION OF COMPETITION AND MONOPOLY RATE IN IRAN INDUSTRIES

Author(s)

SHAHIKI TASH M.N. | NOROUZI A. | Issue Writer Certificate

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Abstract

In this study, the aim is to investigate the rate of competition and monopoly in the manufacturing industries during 1996-2008 by using non-structural model and Lerner index based on parametric approach. The results indicate that the value of concentration index of the most of industries varies between 0.30 to 0.50 implying effective monopoly structure and the gap between price and marginal cost. Also, "Manufacture of coke" and "Manufacture of motor vehicles" by Lerner index of 0.62 and 0.25 have highest and lowest monopoly degree, respectively. Assessment of the trend of industry's Lerner index represents the improvement of the competition conditions the period while the gap between the price and marginal cost is at a relatively high level.

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APA: Copy

SHAHIKI TASH, M.N., & NOROUZI, A.. (2014). PARAMETRIC ESTIMATION OF LERNER INDEX AND EVALUATION OF COMPETITION AND MONOPOLY RATE IN IRAN INDUSTRIES. ECONOMIC MODELLING, 8(3 (27)), 71-89. SID. https://sid.ir/paper/176151/en

Vancouver: Copy

SHAHIKI TASH M.N., NOROUZI A.. PARAMETRIC ESTIMATION OF LERNER INDEX AND EVALUATION OF COMPETITION AND MONOPOLY RATE IN IRAN INDUSTRIES. ECONOMIC MODELLING[Internet]. 2014;8(3 (27)):71-89. Available from: https://sid.ir/paper/176151/en

IEEE: Copy

M.N. SHAHIKI TASH, and A. NOROUZI, “PARAMETRIC ESTIMATION OF LERNER INDEX AND EVALUATION OF COMPETITION AND MONOPOLY RATE IN IRAN INDUSTRIES,” ECONOMIC MODELLING, vol. 8, no. 3 (27), pp. 71–89, 2014, [Online]. Available: https://sid.ir/paper/176151/en

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