Sebastian Kollmann has been working at DIW Berlin since September 2012. Initially a trainee, since May 2014 he has been a press officer and editor for the DIW Wochenbericht. He studied economics and politics at the University of Cologne and attended the Cologne School of Journalism for Politics and Economics (Kölner Journalistenschule für Politik und Wirtschaft).
Till Köveker is a PhD candidate at the DIW Graduate Center and a research associate in the Climate Policy Department. His research focuses on climate and environmental economics, in particular on the design and evaluation of policy instruments for industrial decarbonisation and the heat transition in the building sector. In 2026, he was a visiting doctoral researcher at the London School of...
Carl Kreuzberg is a PhD candidate in the Firms and Markets Department, specializing in empirical industrial organization. His current research combines applied econometrics, natural language processing, and large language models to detect anti-competitive behavior in firms’ communication patterns, analyze enforcement and market data, and improve empirical cartel screening methodologies used by...
Alexander Kritikos is scientific member of the executive board of the German Institute for Economic Research (DIW Berlin) since May 2021 and Head of the research group on ‘Entrepreneurship’ since 2011. He is appointed as Full Professor for Industrial and Institutional Economics at the University of Potsdam, and Research Fellow of the Institute for the Study of Labor (IZA), Bonn.
Alexander...
Member of the Executive Board Executive Board; Head Entrepreneurship
He investigates the effects of monetary and fiscal policy on the economy, including their impact on private and public interest rates, gross domestic product, and inflation. A central focus of his work is the interaction between these two policy areas. In doing so, he explicitly accounts for household heterogeneity and the role of economic inequality in shaping the transmission of monetary and...
Dr. Thilo Kroeger is an economist and scientific advisor in the Firms and Markets Department. His research focuses on international economics, labor economics, and development economics. More specifically, he studies producer-level responses to globalization and the effects of structural change on labor demand and workers. Before joining DIW Berlin in 2025, he was a senior economist on the...
Researcher Firms and Markets; Scientific Advisor Firms and Markets
Yashna is a doctoral student at the DIW Graduate Center since 2025. She holds an MSc degree in Economics from the Indira Gandhi Institute of Development Research, Mumbai and a Bachelor’s degree in Economics from the University of Delhi. Her research interests lie in climate policy and environmental economics.
Jo-Ya joined the DIW Graduate Center and the macroeconomics department in 2023. She holds a master’s degree in Economics from the University of Mainz with a specialization in International Economics. Her master’s thesis examined the policy implications and potential risks of introducing central bank digital currencies. In 2023, she interned at the ifo Center for International Economics in Munich....
Frederik Kurcz is a doctoral student at the Macroeconomics Department and at the Berlin School of Economics (Freie Universität Berlin). His research studies monetary and fiscal policy transmission with household heterogeneity. His job market paper, “Quantifying the Fiscal Channel of Monetary Policy,” combines new evidence on fiscal responses to monetary shocks with a Heterogeneous Agent New...
Ph.D. Student Macroeconomics; Ph.D. Student Forecasting and Economic Policy
Antonia Kurz is a Research Associate in the Climate Policy Department. Her research focuses on the decarbonisation of industrial sectors, developing tools to reduce emissions in the context of trade and market power. Her work includes studying the effects of carbon pricing policies on trade patterns and the implications of monopolistic supply in critical minerals markets for the green transition....
