Research in Economics
Research in Economics > 2004 > 58 > 2 > 135-157
Research in Economics > 2014 > 68 > 1 > 39-56
Research in Economics > 2015 > 69 > 4 > 525-554
Research in Economics > 2004 > 58 > 2 > 135-157
Research in Economics > 2014 > 68 > 1 > 39-56
Research in Economics > 2015 > 69 > 4 > 525-554