1. Aitken, N. D. (1973). The effect of the EEC and EFTA on European trade: A temporal cross-section analysis. American Economic Review,63(5), 881–892.
2. Anderson, J. E. (1979). A theoretical foundation for the gravity equation. American Economic Review,69(1), 106–116.
3. Anderson, J. E., Larch, M. & Yotov, Y. V. (2015). Estimating general equilibrium trade policy effects: GE PPML, CESifo Working Paper Series No. 5592.
4. Anderson, J. E., & van Wincoop, E. (2003). Gravity with gravitas: A solution to the border puzzle. American Economic Review,93(1), 170–192.
5. Baier, S. L., & Bergstrand, J. H. (2004). Economic determinants of free trade agreements. Journal of International Economics,64(1), 29–63.