natural gas prices (i.e. law of one price), and the potential convergence or divergence of gas prices across the country …. First, we extract the latent common price component, which describes the evolution of the fundamental natural gas price …. Second, we gauge if U.S. regional natural gas prices follow the law of one price. Our findings confirm the difference between …

Physicians' practices vary widely, as do their effectiveness and reimbursement. Using a merger of six orthopaedic … groups in southeastern Pennsylvania, we find that such groups can generate large, anti-competitive price increases without … that these price increases were targeted at certain beneficiaries, payors and codes, so any research design that omits care …

price simulations; demonstrates that approximate price changes are often misleading indicators of exact price changes; and … uses bootstrap techniques to determine confidence intervals and standard errors for simulated price changes, allowing …

thing. We summarize the research on antitrust-related issues in newspaper markets, including mergers, joint operating … agreements, and vertical price restrictions. We then review recent research on how print media have been affected by the growth …

While the possibility of algorithmic price discrimination and algorithmic collusion has been extensively discussed in … the global antitrust community in recent years, there has been much more limited discussion in the context of mergers. In … conduct merger simulations and why there are important antitrust issues related to integrating merging parties’ pricing …

mergers and acquisitions. Utilizing a comprehensive dataset of M&A activity over the last 40 years, we find that 60 percent of … the reallocation term and 38 percent of the overall markup increase is due to merger activities. The merger and … and information industries account for the large portion of the aggregate pattern. We further document that the merger …

price pass-through from crude oil spot prices to retail gasoline pump prices. We show that regional differences do exist …