We study firms’ voluntary disclosure in an oligopoly market for vertically differentiated products, where firms are allowed to advertise a rival’s product as well as their own products. When consumers are uncertain of product qualities, Board (2009)1) and Hotz and Xiao (2011)2) show that...

This paper analyzes the economic effects of TBT under the existence of technological asymmetry between countries. It first defines TBTs and shows the current status and evolution of TBTs using descriptive measures. In addition, the paper also compares the technology levels of Korea to those of...