Shimomura, Ken-ichi; Thisse, Jacques-François - 2009
the procompetitive effect associated with the entry of a big firm dominates the
resulting decrease in product variety … consumers. In other words, the loss of variety that the smaller
mass of monopolistically competitive firms generates is more …-firm
is smaller than an oligopolistic firm). Each firm supplies a single variety,
thus implying that oligopolistic firms do …