How to measure and identify collusion among firms in an oligopoly?

2015-08-17 3:54 pm
Hi, I'm currently doing a project that investigates the market structure of a location where there are several shops that sell differentiated products. I want to know what quantitative methods I can use to measure and therefore identify if they are engaging in collusion (setting higher price). Thanks!

回答 (1)

2015-08-18 2:04 am
Market share of individual firm in the market. Use concentration ratio to find the conclusion. The price setting in the case of kinked demand is also helpful.


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