English Abstract: We investigate how corporate stock returns respond to geopolitical risk in the case of South Korea, which has experienced large and unpredictable geopolitical swings that originate from North Korea. To do so, a monthly index of geopolitical risk from North Korea (the GPRNK...

This paper considers a two-period model of market entry with horizontally differentiated products and switching costs. Conditions that are conducive to a competitive environment in the second period are shown to yield a less competitive outcome in the first period. That is, when the marginal...

This study develops a model of trade that highlights the effects of the interconnection of country-specific communications networks as a driving force behind trade in high-tech products with positive transport costs. By constructing a two-country model of monopolistic competition with two...

The main purpose of this study is to illustrate, with a simple two-factor (skilled and unskilled labor) model, how a time-saving improvement in business-services trade benefitting from differences in time zones can have an impact on national factor markets. In doing so, we intend to capture the...

In this note, we examine how trade liberalization affects the profits of firms in the presence of network effects. We will show that, contrary to conclusions in the previous literature, trade liberalization between identical countries increases firms' profits despite intesified competition.