Maria Ptashkina is an economics Ph.D. candidate at University Pompeu Fabra, Barcelona, Spain. Her current research is focused on firm dynamics and uncertainty in international trade. She is a former fellow at the International Center for Trade and Sustainable Development and former delegate from the Russian Federation to the Asia-Pacific Economic Cooperation Forum. Maria is a former member of intergovernment policy research groups on issues related to international trade and investment (the Group of Twenty, BRICS [Brazil, Russia, India, China and South Africa] and the One Belt, One Road initiative). Her main research interests include macroeconomics, international economics and trade policy.