1. Adserà, A., & Boix, C. (2002). Trade, Democracy, and the Size of the Public Sector: The Political Underpinnings of Openness. International Organization, 56(2), 229–262. https://doi.org/10.1162/002081802320005478 .
2. Arvis, Jean-François et al. (2016), Connecting to Compete 2016: Trade Logistics in the Global Economy—The Logistics Performance Index and Its Indicators. Washington, DC: The International Bank for Reconstruction and Development/The World Bank. https://wb-lpi-media.s3.amazonaws.com/LPI_Report_2016.pdf
3. Avelino, G., Brown, D. S., & Hunter, W. (2005). The Effects of Capital Mobility, Trade Openness, and Democracy on Social Spending in Latin America, 1980–1999. American Journal of Political Science, 49(3), 625–641. https://doi.org/10.1111/j.1540-5907.2005.00146.x .
4. Borjas, G. J., Freeman, R. B., & Katz, L. F. (1997). How Much Do Immigration and Trade Affect Labor Market Outcomes? Brookings Papers on Economic Activity, 1997(1), 1–67.
5. Brahmbhatt, M. (1998). Measuring Global Economic Integration: A Review of the Literature and Recent Evidence (Working Paper). Washington: The World Bank.