1. (2pts) In a world of zero transportation costs, no trade barriers, and nontrivial differences between nations with regard to factor endowments, firms must expand internationally if they are to survive. Discuss. 2. (3pts) Read the case: “ANTI-DUMPING CASE OF VIETNAM CATFISH IN US MARKET” http://en.phobinh.com.vn/anti-dumping-case-of-vietnam-catfish-in-us-market-72.html Who gains most from the antidumping duties levied by the US on imports of catfish from Vietnam? Who are the losers? Are these duties in the best national interests of the United States? 3. (5pts) International business involves managing in multiple countries with variation in socio-cultural and political-legal environments. These differences in many cases create significant barriers to international businessmanagement. Apart from case studies learned in class, please choose an article from the media discussing a case ( in the last 5 years) of a multinational company who has been plagued by socio-cultural or political-legal barriers; and it leads to failure or lower than expected revenue when operating in a different market. Identify the reasons causing difficulities in the focal firm international business and propose recommendations to help them overcome those ostacles