by JOHN S. ROSENBERG
Hanoi’s streets (in 2007, above) are now full of motorcycles and scooters, and shop shelves are no longer bare. Photograph by Chau Doan/Getty Images
harvardmagazine – A RECENT Monday morning, during a class on global trade, the professor reviewed the effects of nations’ limits on such commerce: tariffs, quotas, and the “voluntary” restraints exporting countries impose on their shipments to eager customers (lest protected interests in the importing area wilt). His students, arrayed in a teaching amphitheater laid out like the classrooms at Harvard Business School (HBS)—complete with laminated placards bearing each Tiếp tục đọc “A Nation, Building”








Solar panels on Sumba Island, Indonesia. Over 8.1 million people are now working in renewable energy worldwide. Image: 


