Market structure and foreign trade : increasing returns, imperfect competition, and the international economy /
Helpman, Elhanan
Market structure and foreign trade : increasing returns, imperfect competition, and the international economy / Elhanan Helpman and Paul R. Krugman
Market structure and foreign trade : increasing returns, imperfect competition, and the international economy / Elhanan Helpman and Paul R. Krugman
