For many people "solidarity" has become a meaningless word used in slogans - too often used without leading to any economic consequences. We show in this paper conditions under which solidarity can be a powerful instrument. In a solidary action, an individual in a group contributes to a series...

Randomized experiments are often viewed as the "gold standard" of scientific evidence but people's scepticism towards experiments has compromised their viability in the past. We study preferences for experimental policy evaluations in a representative survey in Germany (N1,900). We find that a...

Much of today's software relies on programming code shared openly online. Yet, it is unclear why volunteer developers contribute to open-source software (OSS), a public good. We study OSS contributions of some 22,900 developers worldwide on the largest online code repository platform, GitHub,...

This paper theoretically and empirically analyzes the interaction of emigration of highly skilled labor, an economy`s income gap to potential host economies of expatriates, and optimal public infrastructure investment. In a model with endogenous education and R&D investment decisions we show...

This study examines the dynamics and determinants of inflation in the Ottoman Empire during the 1586-1913 period. There might be two main reasons for inflation: fiscal expansion and monetary expansion where the monetary expansion could be generated through the debasement of local currency...

On the occasion of related proposals by the European Commission and the Eurogroup, this paper proposes to entrust the ESM with the hosting of the ESRB in the medium term. The novel proposal aims at strengthening the macro-prudential expertise of the ESM and at enhancing the independence of the...

To study how information about educational inequality affects public concerns and policy preferences, we devise survey experiments in representative samples of the German population. Providing information about the extent of educational inequality strongly increases concerns about educational...

When making collektive desicions, principals (voters or districts) typically benefit by strategically delegating their bargaining and voting power to representatives different from themselves. There are conflicting views in the literature, however, of whether such a delegate should be...

Covid-19 pandemic has shown how important are public sector capacities and capabilities to react to crises and re-configure existing policies and implementation practices. Prior to the pandemic, policymakers were increasingly turning their attention to challenge-driven innovation policies in...

Public finance is a vital area of study that helps governments make informed decisions about how to raise and allocate funds to finance their activities, ultimately contributing to the well-being of society. Oil-rich developing and emerging economies present a distinct set of public finance...