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"Four Proposals to Help Commodity-Exporters Cope with Price Volatility," VoxEU, Oct.19, 2017.
“Policies for Managing External Shocks in Commodity-Exporting Countries,“ ppt, Conference on Current Account Sustainability, Inter-American Development Bank, April 18, 2017.
"How Commodity Exporters Can Cope with Price Volatility: Four Proposals,” High Level Seminar, Natural Resources, Finance & Growth, sponsored by Bank of Algeria, Algiers, May 28-29, 2016, ppt, pdf. OCP, Casablanca, June 3, ppt, pdf. AAEA, Aug. 1, 2016; ppt pdf.
“How to Cope with Volatile Commodity Export Prices: Four Proposals,” (pdf). Keynote Address, Commodity Prices and Macroeconomic Policy, Conference of the Central Bank of Chile, organized by R.Caputo and R.Chang, Santiago, Oct. 23, 2014,
"An Economic Perspective on the Natural Resource Curse and Its Implications for a Developing Country," Day of Ecuador at Harvard: Breaking the Natural Resources Dependence, April 21, 2014.
"Dealing with the Resource Curse: How Can Commodity Exporters Reduce Procylicality?","NBER Conference, Zanzibar, Dec.18-19, 2012.
“The Mining Resource ‘Curse’ and How Countries Can Fight It,” RBC Global Mining Conference, Toronto, June 20, 2012.
"How Countries Can Deal With Commodity Price Volatility" G-20 Commodities Seminar, Los Cabos, Mexico, 5 de Mayo, 2012.
"Barrels, Bushels and Bonds: How Commodity Exporters Can Hedge Volatility," Project Syndicate, October 17, 2011. Full blog version, Oct.20.
“Can Food Prices Be Stabilized?” Project Syndicate, June 27, 2011. E.g., Al Wadi, Kuwait.