Total tax revenue GDP ratio

World Bank, World Development Indicators (WDI), July 2013.

Indirect tax revenue GDP ratio

Africa Economic Outlook, Statistical Annex, April 2014

Direct tax revenue GDP ratio

Africa Economic Outlook, Statistical Annex, April 2014

International trade tax revenue GDP ratio

Africa Economic Outlook, Statistical Annex, April 2014

GDP per capita (GDP)

World Bank, World Development Indicators (WDI), July 2013.

Share of agricultural sector in GDP (AGR)

World Bank, World Development Indicators (WDI), July 2013.

Share of FDI to GDP (FDI)

World Bank, World Development Indicators (WDI), July 2013.

Imports (M) of goods and services;

Constant 2000 Local Currencies, Source; World Bank, World Development Indicators (WDI), July 2013

Exports (EXP) of goods and services

Constant 2000 Local Currencies, Source; World Bank, World Development Indicators (WDI), July 2013

Trade Openness is the degree of trade openness measured by imports and exports divided by GDP

Author’s computation July 2013. Data on Imports (M) AND Exports (X) of Goods and Services; Source; World Bank, World Development Indicators (WDI), July 2013

PCAID is aid per capita

World Bank, World Development Indicators (WDI), July 2013.

Gross national expenditure (% of GDP)

World Bank, World Development Indicators (WDI), July 2013.

Industry, value added (% of GDP)

World Bank, World Development Indicators (WDI), July 2013.

EXR is the exchange rate

IMF’s International Financial Statistics (IFS), July 2013.

Average tariff rate

World Bank, World Development Indicators (WDI), July 2013.

Consumer price index (INF)

IMF’s International Financial Statistics (IFS), July 2013.