Health insurance is once again on the policy agenda, and it is déjà vu all over again. There are the same statistics and anecdotes about the uninsured. There are the same reports by government agencies, think tanks, and do-gooder organizations. There are the same policy entrepreneurs, pushing...

Antitrust law has been adopted by 120 jurisdictions worldwide. In more than half of these jurisdictions, the agency charged with enforcing antitrust law also has other responsibilities. The assignment of multiple regulatory tasks can affect the performance of a competition agency in complex and...