For 70 Japanese manufacturing industries, I test the simple Cournot hypothesis of proportionality between industry price-cost margin and Herfindahl index against the non-nested alternative that the industry price-cost margin remains constant in the face of varying Herfindahl index, as it would...

In Japan, newspapers enjoy a special exemption from antimonopoly prohibitions against resale price maintenance (suppliers’ stipulations that bar downstream firms from price discounting), but are each required to set uniform prices throughout Japan. In fact, the newspapers have rarely changed...

For 70 Japanese manufacturing industries, I test the simple Cournot hypothesis of proportionality between industry price-cost margin and Herfindahl index against the non-nested alternative that the industry price-cost margin remains constant in the face of varying Herfindahl index, as it would...

For 70 Japanese manufacturing industries, I test the simple Cournot hypothesis of proportionality between industry price-cost margin and Herfindahl index against the non-nested alternative that the industry price-cost margin remains constant in the face of varying Herfindahl index, as it would...

In Japan, newspapers enjoy a special exemption from antimonopoly prohibitions against resale price maintenance (suppliers’ stipulations that bar downstream firms from price discounting). But if a newspaper company does stipulate retail prices, it is required to set uniform prices throughout...