Research in Economics
Research in Economics > 1997 > 51 > 2 > 157-164
Research in Economics > 2005 > 59 > 3 > 223-256
Research in Economics > 2016 > 70 > 1 > 110-121
Research in Economics > 1997 > 51 > 2 > 157-164
Research in Economics > 2005 > 59 > 3 > 223-256
Research in Economics > 2016 > 70 > 1 > 110-121