Estimating Overcharges in Antitrust Cases Using a Reduced-Form Approach: Methods and Issues

James F. Nieberding

Journal of Applied Economics, 2006, vol. 9, issue 2, 361-380

Abstract: This paper presents several methods and discusses salient issues pertaining to the use of reduced-form models to estimate overcharges in antitrust matters (e.g., price-fixing) where “but-for” prices may be less than actual prices during the anticompetitive period. In particular, two common types of reduced-form estimations are discussed: the “dummy-variable approach” and the “forecasting approach”. Under either methodology, an error correction model is then specified as one way to address technical problems often found in applied time-series analysis—nonstationary data and the existence of short-term and long- term dynamics.

Date: 2006
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DOI: 10.1080/15140326.2006.12040652

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