1. Acharya, R., and W. Keller (2007). Technology Transfer through Imports. NBER Working Paper Series 13086. National Bureau of Economic Research, Cambridge, Mass.
2. Andersson, M. (2007). Entry Costs and Adjustments on the Extensive Margin – An Analysis of How Familiarity Breeds Exports. CESIS Working Paper 81. Royal Institute of Technology, Stockholm.
3. Arnold, J. H., and K. Hussinger (2005). Export Behavior and Firm Productivity in German Manufacturing: A Firm-Level Analysis. Review of World Economics/Weltwirtschaftliches Archiv 141 (2): 219–243.
4. Aw, B. Y., S. Chung, and M. J. Roberts (1998). Productivity and the Decision to Export: Micro Evidence from Taiwan and South Korea. NBER Working Paper Series 6558. National Bureau of Economic Research, Cambridge, Mass.
5. Baum, C. F. (2006). An Introduction to Modern Econometrics Using Stata. Texas: Stata Press.