* John Connor describes and evaluates the results of his extensive survey of reports of cartel overcharges.* Dennis Weisman models the price effects of mergers that not only increase concentration in the relevant market but also increase the merged firms' participation in other, complementary markets.* Malcolm Coate and Mark Williams develop a superior method for calculating critical loss in markets that are relatively homogenous and competitive premerger.* Zhiqi Chen surveys recent developments in economic theories of buyer power and creates a general framework for antitrust analysis.* Thomas J. Miceli and Kathern Segerson, given the difficulty of collecting damages after a long latency period, examine the desirability of granting toxic exposure victims an independent cause of action for medical monitoring at the time of exposure. They shows that such a cause of action incarease incentives for injurer care but only at the cost of greater litigation cost. the reluctance of courts to adopt such a proposed cause of action reflects theri awareness of this trade-off.*Each chapter examines in depth a topic in law and economics.*Written by leading experts in the field.