Table 1. Sources for macroeconomic data.

Data	Description	Source
Gross DomesticProduct (GDP)	PPP Converted GDP per capita (Laspeyres) at 2005 constantprices, averaged data for year of survey and five prior years.	Penn World Tables [82]
Foreign Direct Investment(FDI)	Inward foreign direct investment flows, annual, in 000 000s,averaged data for year of survey and five prior years. (Enteredinto models as percent GDP normalized to 2005 dollars)	United Nations Commission on Trade and Development (UNCTAD) [83], [84]
Average tariffrate	Import duties as a percent of total import values for year ofsurvey.	World Integrated Trade Solution, World Bank [85]