International trade, CO2 emissions and heterogeneous firms /
Forslid, Rikard.
Okubo, Toshihiro,1975-
Ulltveit-Moe, Karen-Helene.
Centre for Economic Policy Research (Great Britain)
London : CEPR,
[2011]
Caption title.
"International trade and Regional economics"--Cover.
"September 2011."