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International Advances in Economic Research > 2012 > 18 > 4 > 383-395
International Economics and Economic Policy > 2008 > 5 > 1-2 > 139-163
International Advances in Economic Research > 2012 > 18 > 4 > 383-395
International Economics and Economic Policy > 2008 > 5 > 1-2 > 139-163