SHIMOMURA, Ken-Ichi; THISSE, Jacques-François - Center for Operations Research and Econometrics (CORE), … - 2009
the procompetitive effect associated with the entry of a big firm dominates the
resulting decrease in product variety ….
Keywords: oligopoly, monopolistic competition, product differentiation, welfare.
JEL Classification: L13, L40 … inconsequential for the behavior of small firms.
4
On theproduction side, we considera differentiated product market in which …