Number: 4 The most recent Working Papers on Economics - Geopolitical Risk and Emerging Markets Sovereign Risk Premia Fredy Alejandro Gamboa-Estrada, José Vicente Romero-Chamorro Working Papers on Economics - Temporary VAT exemption in Colombia: How did household consumption respond? Luis E. Arango, Luz Adriana Flórez, N. Johana Marín, Carlos Esteban Posada Documentos de Trabajo sobre Economía Regional y Urbana (only in Spanish) - Public hospitals accounts receivable and regional differences in the provision of health services in Colombia Jhorland Ayala-García, Karelys Guzmán-Finol