Research in Economics
Research in Economics > 2006 > 60 > 2 > 112-119
Research in Economics > 2010 > 64 > 1 > 28-35
Research in Economics > 2011 > 65 > 4 > 279-293
Research in Economics > 2006 > 60 > 2 > 112-119
Research in Economics > 2010 > 64 > 1 > 28-35
Research in Economics > 2011 > 65 > 4 > 279-293