How do changes in competitive intensity affect trade patterns? Some cartels may find it advantageous to eliminate cross-hauling and divide markets geographically. We exploit a quasi-natural experiment associated with increased antitrust enforcement to determine if market division strategies were...

We examine the possible effects of private international cartels on developing countries by looking in detail at three recent cartel cases, as well as at a broader cross-section of 42 recently prosecuted international cartels. We discuss the indirect effects on developing country producers,...

When a new firm enters a market and starts selling a spatially-differentiated product, the prices of existing products may rise due to a better match between consumers and products. Entry may have three unusual effects. First, the new price is above the monopoly price if the two firms collude...

We study the events alleged in recent Norwegian salmon industry antitrust cases to explore the relationship between vertical integration and collusion. In particular, we are interested in whether vertical integration can facilitate the strategic use of coordination devices such as public price...