Document Type : Research Paper
Authors
Abstract
This study through the application of Hall-Roger methodology calculated the Lerner index of 131 industries in code 4 ISIC during 1994 t0 2007.The result of this study shows that in all industries. And the Lerner index indicates monopoly structure for more than 50 percent of Iran’s industries.
Also, our finding indicates The Cement industries, plastic industries, fertilizer industries, bricks industries, and Malta industries, respectively have the highest rank of Lerner index.
JEL classification: F10,L10, L60
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