Alvarado Martínez, Mario Roberto, et al. “The Effect of the Number of Bilateral Investment Agreements (BIT) on Foreign Direct Investment (FDI) in 217 Countries”. Economía Y Administración (E&A), vol. 12, no. 2, Dec. 2021, pp. 115-27, doi:10.5377/eya.v12i2.12975.