Mariano was a Pre-Doctoral research fellow at the Chair of Development Economics / CeMIS from March 2024 until August 2025, where he contributed to research on the institutional causes and consequences of the industrial revolution in England. He is interested in labour economics, economics of education, economic history and inequality. Mariano holds a MSc in Development Economics from the University of Göttingen and a BSc in Economics with a minor in Political Science from the University of Cologne, Germany. He is a national from Guatemala and has previously worked in applied research institutes like the German Economic Institute (IW) and the German Institute for Global and Area Studies (GIGA). Mariano is also active as a consultant for the International Labour Organization (ILO), conducting field impact evaluations of labour market interventions and other empirical work employing labour force and enterprise surveys.

Mariano joined the Master in Public Policy and Development (M2) at the Paris School of Economics in September 2025.

Curriculum Vitae: CV

Work in progress

  • The long-term impact of violent conflict on human capital: Evidence from the Guatemalan Civil War using continuous treatment variation


  • What Works? Training and Wage Subsidies for Refugees in Türkiye (with Isaure Delaporte, Verónica Escudero, Hannah Liepmann and Jochen Kluve)


  • Publications

  • Faktencheck Verteilung: Bayern und Gesamtdeutschland im Vergleich, Gutachten im Auftrag der Vereinigung der Bayerischen Wirtschaft e. V. (vbw), Köln / Berlin (2023) (with Judith Niehues and Maximilian Stockhausen).


  • How is prosperity distributed in Germany? A combined analysis of income and wealth, in: IW-Trends, 47. Jg., Nr. 3, S. 39-60 (2020) (with Judith Niehues and Maximilian Stockhausen).


  • IW-Distribution Report 2020: Stable conditions despite growing social challenges, IW-Report, Nr.8, Köln (2020) (with Maximilian Stockhausen).