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Table S2. Countries in FAO GIEWS database with maize prices and selection of sample countries Selected countries Excluded countries No. Country Year coverage No. Country Reason for exclusion 1 Bolivia 2008/15 1 Togo a 2 Burundi* 2012/15 2 Benin a 3 Cameroon 2004/15 3 Ethiopia a 4 Central African Republic 2007/15 4 Nigeria a 5 Chad 2003/15 5 Paraguay b 6 Chile 2007/15 6 Argentina b 7 China 2011/15 7 Brazil b 8 Colombia 2000/15 8 Uganda b 9 Costa Rica* 2000/15 9 Ukraine b 10 Dominican Republic 2005/15 10 Zambia b 11 Ecuador 2000/15 11 South Africa b 12 Egypt 2007/10 12 Zimbabwe c 13 El Salvador* 2005/15 13 South Sudan c 14 Ghana 2007/15 14 Democratic Republic of Congo c
- The monthly CPI are sourced from the FAOSTAT. The real exchange rate is calculated based on the formula in Villoria and Hertel (2011). Food aid ratio Food aid divided by the total supply. The data of food aid are sourced from the World Food Program. Social conflict A dummy variable that is 1 if the use of armed force results in at least 25 battle deaths in a year and 0 otherwise.
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