Baldwin Richard Edward Protection for sale made easy / Richard Baldwin and Fréderic Robert-Nicoud. - London : Centre for Economic Policy Research, 2006. - [10] p. : il. ; 21 cm. - CEPR Discussion Paper Series ; 5452 . - CEPR. Discussion paper series. IEC ; v. 114/7. . Incluye bibliografía. Subjects--Topical Terms: ProteccionismoPolítica comercial