"Each of the world's largest retailers---Walmart, Carrefour, Tesco, and Metro---entered China after 1995. Their subsequent expansion in China may have influenced Chinese exports through two channels. First, they may have enhanced bilateral exports between the retailers' Chinese operations and...

Recent theories of economic geography suggest that firms in the same industry may be drawn to the same locations because proximity generates positive externalities or 'agglomeration effects.' Under this view, chance events and government inducements can have a lasting influence on the...