@misc
{TN_libero_mab2,
author = {
Byford, Martin C.
National Bureau of Economic Research
Gans, Joshua S.
},
title = {
Collusion at the Extensive Margin
},
publisher = {National Bureau of Economic Research},
year = {May 2014},
booktitle = {NBER working paper series ; no. w20163},
address = {
Cambridge, Mass
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}