TY - BOOK TI - International trade : theory and policy T3 - Pearson series in economics AU - Krugman, Paul R., 1953- CY - Harlow ; London ; New York PB - Pearson PY - 2018 LA - English SN - 978-1-292-21635-5 SN - 1-292-21635-2 ET - Eleventh edition ER -