• 　Institute of Economic Research, Hitotsubashi University

• 　Russian Research Centre, Institute of Economic Research,
  　　　　　　　　　Hitotsubashi University

• 　Slavic Research Center, Hokkaido University

• 　Institute for International Economic Studies, Vienna, Austria

• 　The Bank of Finland Institute of Economies in Transition

• 　Federal State Statistics Service (ROSSTAT), Russian Federation

• 　Interstate Statistical Committee of the Commonwealth of Independent States
  　　　　 　　　　　(CIS STAT)