• The Council of Higher Education (YÖK)
• Republic of Turkey: Student Selection and Placement Center (ÖSYM)
• Turkish Statistical Institute (TÜİK)
• Central Bank of the Turkish Republic (TCMB)
• Istanbul Stock Exchange (İMKB)
• International Monetary Fund (IMF)
• World Bank (WB)
• Organisation for Economic Co-operation and Development (OECD)
• The National Bureau of Economic Research (NBER)
• Research Papers in Economics (REPEC)