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...

In Japan, the newspapers with the greatest daily circulation offer both morning and evening editions in most of their distribution areas. Their prices per page of actual content are different for morning-and-evening subscribers than for morning-only subscribers. So the subscription price...