The paper's main contribution is to provide a rationale for advocacy. After observing that many organizations (corporations, judiciary, and the executive and legislative branches of government) use competition among enfranchised advocates of special interests to improve policy making, it argues...

The paper makes two related contributions. First, and in contrast with the rich body of literature on collusion with (mainly perfect) substitutes, it derives general results on the sustainability of tacit coordination for a class of nested demand functions that allows for the full range between...

The paper makes two related contributions. First, and in contrast with the rich body of literature on collusion with (mainly perfect) substitutes, it derives general results on the sustainability of tacit coordination for a class of nested demand functions that allows for the full range between...