The participation of interest groups in public policy making is unavoidable. Its unavoidable nature is only matched by the universal suspicion with which it has been seen by both policy makers and the public. Recently, however, there has been a growing literature that examines the participation...

The fundamental feature of private contracting is its relational nature. When faced with unforeseen or unexpected circumstances, private parties, as long as the relation remains worthwhile, adjust their required performance without the need for costly renegotiation or formal recontracting....