PRICING PATTERNS AND IMPLICATIONS FOR COMPETITION POLICY
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By: Constantin BELU
JEL: C32, D43, L13, K21
Keywords: parallel pricing, Edgeworth price cycles, antitrust, collusive behavior
In this paper we discuss different pricing patterns observed from actual data in
oligopolistic markets and we are reviewing the most suitable econometric tools to analyze
and disentangle patterns informative to competition policy.We argue that there are certain
market situations where parallel pricing bears information that can be informative to
antitrust authorities. We resort to co-integration analysis to prove that it is possible to identify
patterns that can be interpreted as hallmark for collusive behavior.
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