TY  - BOOK
AU  - Laffont Jean-Jacques
ED  - World Congress of the Econometric Society (6th) (1990 : Spain)
TI  - Advances in economic theory:  Sixth world congress   
T2  - Econometric Society Monographs, No. 21
U1  - X, N2.1-N2.2 
PY  - 1992///
CY  - Cambridge
PB  - Cambridge University Press        
KW  - Economic Theory
ER  -