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

In this paper we propose a method to evaluate the effectiveness of U.S. horizontal merger policy and apply it to the … most problematic for the antitrust agencies. Thus we estimate an upper bound on the likely price effect of completed … mergers. Our study employs retail scanner data and uses familiar panel data program evaluation procedures to measure price …

effect of a merger on the behavior of rival firms, and instrumenting for these mergers, unbiased estimates of the effect of a … merger on market outcomes can be obtained. Using this methodology, I evaluate the impact of independent hospital mergers … between 1989 and 1996 on rivals' prices. I find sharp increases in rivals' prices following a merger, with the greatest effect …

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

Merger control authorities may approve a merger based on a so-called 'efficiency defence'. An important aspect in … clearing mergers is that the efficiencies need to be merger-specific. Joint ventures, and in particular research joint ventures …

-level productivity. We also examine whether M&As increase efficiency through reallocation of production to more efficient plants or … are robust to a range of approaches to address the endogeneity of firms' merger decisions …

undisputed. Deregulation has proceeded in three ways: (i) eased rate setting restrictions; (ii) simplified merger applications …

merger was 1.1 percentage points lower, during the five-year period centered on the merger, than that of carriers not … involved in merger. Almost all of this cost reduction appears to have been passed on to consumers. Part of the cost reduction …

We use microdata underlying U.S. consumer, producer and import price indices to document how the distribution of price … policy? Using a flexible accounting framework which collapses the high-dimensional distribution of price changes into a … single measure of aggregate price flexibility, we show that flexibility is highly variable and countercyclical …