Research in Economics
Research in Economics > 2013 > 67 > 4 > 316-323
Research in Economics > 2013 > 67 > 4 > 289-306
Research in Economics > 2013 > 67 > 4 > 336-354
Research in Economics > 2013 > 67 > 4 > 324-327
Research in Economics > 2013 > 67 > 4 > 307-315
Research in Economics > 2013 > 67 > 4 > 355-367
Research in Economics > 2013 > 67 > 4 > 328-335