1
Published 1998
Springer Berlin Heidelberg

2
by Barba Navaretti, Giorgio
Published 1996
World Bank, International Economics Dept., International Trade Division

3
by Barba Navaretti, Giorgio
Published 2001
World Bank, Trade, Development Research Group

4
by Barba Navaretti, Giorgio
Published 1998
World Bank, Development Research Group

6
by Boeri, Tito
Published 2006
Oxford University Press