Milgrom and Roberts ( 1996 ) also generalized Paul Samuelson 's application of Le Chatelier 's Principle in economics .
Milgrom and John Roberts ( 1994 ) extended this to comparative statics on equilibria , while Milgrom ( 1994 ) demonstrated its wider applicability in comparing optima .
Milgrom     ( 1996 ) also generalized Paul Samuelson 's application of Le Chatelier 's Principle in economics .
Milgrom and John Roberts ( 1994 ) extended this to comparative statics on equilibria , while Milgrom ( 1994 ) demonstrated its wider applicability in comparing optima .