RT Journal Article SR 00 A1 Laffont, Jean-Jacques A1 Martimort, David T1 Collusion and Delegation JF RAND Journal of Economics YR 1998 FD 1998 VO 29 IS 2 SP 280 OP 305 PB Wiley SN 0741-6261 LK https://publications.ut-capitole.fr/id/eprint/14933/ UL http://tse-fr.eu/pub/1286