Why Commodity Prices are Likely to Fall," Project Syndicate, August 23, 2022.
Comment at G-20 High-Level Ministerial Conference on, Tackling the Covid-19 crisis – Restoring Sustainable Flows of Capital and Robust Financing for Development, July 8, 2020.
"Macroeconomic determinants of international commodity prices," Ppt slides (pdf), Keynote Address , JPMCC International Commodities Symposium, Univ. of Colorado Denver Business School, August 13-15, 2018.
"Coping with commodity price volatility: an idea for exporting countries," GlobalDev, Feb. 8, 2018.
“Four Policy Proposals for Commodity Exporters,” MENA Seminar Series, World Bank, DC, Jan. 10, 2018. Ppt slides.
"Four Proposals to Help Commodity-Exporters Cope with Price Volatility," VoxEU, Oct.19, 2017.
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“Policies for Managing External Shocks in Commodity-Exporting Countries,“ ppt, Conference on Current Account Sustainability, InterAmerican Development Bank, Apr.18, 2017.
"How Commodity Exporters Can Cope with Price Volatility: Four Proposals,”(pdf). 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, Boston, Aug. 1, 2016; ppt pdf.