CCelsa Machado is a senior lecturer at Porto Accounting and Business School of the Polytechnic of Porto (ISCAP-P.PORTO). She has a PhD in Economics from University of Porto. She is currently a lecturer of the courses of Macroeconomics and of Monetary and Financial Economy (Ms in Entrepreneurship and Internationalization). Her main areas of interest are macroeconomic theory and fiscal and monetary policies. She has participated in several international conferences, has articles published in scientific journals and collaborates as a peer reviewer in international scientific journals. She is member of the scientific board of the Master in Entrepreneurship and Internationalization (ISCAP-P.PORTO) and of the Galician Journal of Economics. Integrated researcher of the Center od Economics and Finance at UPorto (cef-up) and researcher at the Center for Organizational and Social Studies (CEOS.PP) (Polytechnic of Porto - ISCAP). Her main research interests include macroeconomic policy and fiscal and monetary policy interactions.