Most retrospective merger studies resort to the treatment effect approach, comparing the price dynamics in a treatment … Parisian parking market is provided. -- merger retrospective analysis ; treatment effect models … thus that seemingly distant entities may be affected through indirect channels. An illustration based on a merger in the …

would offset the incentive to increase price created by a merger. The formula depends only on pre-merger information on … slopes -- and thus allow calibration of parameterized demand and cost curves -- from pre-merger data. While the Cournot model … the assumption of interchangeability, in particular greater consistency with pre-merger data and greater scope for …

belonging to both merging parties, as well as (one or more) \common insurers" with which price and network status is negotiated … of merger activity. We find that hospitals gaining system members in-state (but not in the same geographic market …) experience price increases of 7-10 percent relative to control hospitals, while hospitals gaining system members out …

operates within state boundaries: cross-market, within-state hospital mergers yield price increases of 7-9 percent for …

prices. Remedies based on separate bargaining do not alleviate the price increases. …

We consider an oligopolistic market where firms compete in price and quality and where consumers are heterogeneous in …-inefficiency of the price/quality offers. But, better price/quality combinations are signalled with lower prices in one type and with …