In this paper, I consider the Turkish Banking Industry, which is dominated by a few large banks. Using a conjectural variation approach, I estimate a structural model to examine the market conduct of the largest banks for the period 1988-2009. Estimation results suggest that the Turkish banks colluded in the loan market during the sample period where the average mark-up is estimated to be in the range of 44% to 86% depending on the empirical specification. This evidence demonstrates a conflict between market concentration and competition in the Turkish banking industry. Thus, regulatory agencies should be cautious against attempts to increase concentration in the banking industry.
Market Concentration and Incentives to Collude in Cournot Oligopoly Experiments
