3Halpern L.,M.Koren,,A.Szeidl.Imported Inputs and Productivity. CeFiG Working Papers4 . 2009
4Halpern L.,G.Korosi.Efficiency and Market Share in the Hungarian Corporate Sector. Economics of Transition . 2001
5Amiti M,J.Konings.Trade Liberalization,Intermediate Inputs and Productivity:Evidence from Indonesia. The American Economist . 2007
6Altomonte C.,A.Barattieri,,A.Rungi.Import Penetration,Intermediate Inputs and Productivity:Evidence from Italian Firms. DYNREG Working Paper23 . 2008
7Kasahara H,J.Rodrigue.Does the Use of Imported Intermediates Increase Productivity?Plant Level Evidence. Jour-nal of Development Economics . 2008
8Loof H,M.Anderson.Imports,Productivity and the Origin Markets:The Role of Knowledge-Intensive Economies. The Royal Institute of Technology CESIS Electronic Working Paper146 . 2008
9Vogel A,J.Wagner.Higher Productivity in Importing German Manufacturing Firms:Self-Selection,Learning from Im-porting,or Both?. University of Lüneburg Working Paper106 . 2008
10Damijan J.P.,C.Kostevc.Learning from Trade through Innovation:Causal Link between Imports,Exports and Innovation in Spanish Microdata. LICOS Discussion Papers264 . 2010
