[English subtitles, German language video] The Firms and Markets Department at DIW Berlin researches how market rules and their enforcement strengthen competition and the economy. The focus is on business decisions, consumer preferences, and the impact of policy interventions. Using modern methods, the team provides important insights for fair and efficient economic policy—from digitalization to...
Background On their way to host countries, refugees are often exposed to severe adversity, including cumulative experiences of fraud, extortion, robbery, detention, and shipwrecks, as well as prolonged, life-threatening small boat crossings. However, little research has examined the long-term impact of such peri-migration stressors on subsequent stress and mental health after arrival. This study explored ...
The low degree of stock market participation (SMP) is one of the big puzzles in finance. Numerous determinants have been proposed. We put these determinants into a structure that is derived from a standard static portfolio model. Then we discuss arguments put forward regarding specific SMP determinants and the empirical evidence that has been provided. The focus of our survey is on the identification ...
Our article investigates the impact of vertical integration (without foreclosure) on innovation. We compare cases where either (i) two manufacturers or (ii) a manufacturer and a vertically integrated retailer invest. Then, the independent manufacturer(s) and the retailer bargain over nonlinear contracts before selling to consumers. We show that vertical integration always increases the incentives to ...
Diese Dissertation untersucht, wie makroökonomische Rahmenbedingungen und Politik mit Erwartungen, institutionellen Auflagen sowie länder- und haushaltsspezifischer Heterogenität interagieren. In vier Kapiteln analysiere ich, wie Geldpolitik über die Medien die Öffentlichkeit erreicht, wie Fiskalregeln die Fähigkeit von Regierungen, auf Schocks zu reagieren, beeinflussen und wie sich Veränderungen ...
