Optimal Discretionary Monetary and Fiscal Policies in a Country-Size Heterogeneous Monetary Union
Paulo Vieira, Celsa Machado, Ana Paula Ribeiro
Journal of Economic Dynamics and Control, vol. 93, 2018, p. 154-174.

Should the ECB Coordinate EMU Fiscal Policies?
Tatiana Kirsanova, Celsa Machado, Ana Paula Ribeiro
International Journal Of Central Banking, vol. 14, 2018, p. 237-280.