Discussion paper DP6463 The Sources of Long-term Economic Growth for Turkey, 1880-2005 Alpay Filiztekin Sumru Altug Sevket Pamuk 23 Sep 2007 International Macroeconomics E60 N15 O40 O50 O57
Discussion paper DP2121 Estimates of the Returns to Scale for US Manufacturing Alpay Filiztekin Sumru Altug 26 Apr 1999 International Macroeconomics D24 E32
