共 15 条
[9]
Optimal Tariffs and Market Power: The Evidence[J] . Christian Broda,Nuno Lim?o,David E. Weinstein.The American Economic Review . 2008 (5)
[10]
Gravity with Gravitas: A Solution to the Border Puzzle[J] . James E. Anderson,Eric van Wincoop.The American Economic Review . 2003 (1)