To consider the role of uncertain production cost resulting from complying with rules of origin (ROO), we formulate a Cournot oligopoly model of a free trade area (FTA). If exporters do not comply with ROO, they must pay an external tariff, and if they comply, they enjoy zero tariff but suffer...

We investigate how port privatization affects port charges, firm profits, and welfare. Our model consists of an international duopoly with two ports and two markets. When the unit transport cost is large, privatization of ports decreases the prices for port usage, although neither government has...