In this paper, the authors propose an index for scoring coordination incentives, which they call the “coordination GUPPI” or cGUPPI. This paper describes the cGUPPI methodology and its properties, including its relationship to the GUPPI used to score unilateral effects. It also illustrates the mechanics of the cGUPPI methodology with several examples of hypothetical mergers. To read more, click the link below.
Merger simulation in second-score auctions: A nested logit model
In a recent Economics Letters article, CRA’s Martino De Stefano and Serge Moresi show how to improve the second-score auction model that is often used to...