• Economic Size: GDP in U.S. dollars at purchasing power parity (PPP).
• Level of economic development: GDP per capita in U.S. dollars at PPP.
• Degree of Openness: ratio of imports plus exports to GDP.
• Geographical concentration of trade: Share of trade with the largest trading partner: exports to
the largest trading partner as a share of total exports, from the IMF’s Direction of Trade Statistics.
• Inflation Differential: difference between inflation in the country and inflation in the USA.
• Degree of capital mobility: ratio of Gross private capital flows to GDP.