An interesting feature of pollution permit markets is that citizens may purchase permits to directly lower the levels of pollution. Kwerel's mechanism (Review of Economic Studies~1977) is not incentive compatible when citizens demand permits. We show that a modification of Kwerel''s mechainism,...

An interesting feature of pollution permit markets is that citizens may purchase permits to directly lower the levels of pollution. Kwerel's mechanism (Review of Economic Studies~1977) is not incentive compatible when citizens demand permits. We show that a modification of Kwerel''s mechainism,...