While climate change is widely considered as a major challenge for societies, another pressing global environmental problem, i.e. the loss of biodiversity, is often given less attention despite its strong negative consequences for ecosystems and thus for human life. In light of the strong...

This study examines the effect of the "Woman, Life, Freedom" protests in Iran during the last quarter of 2022 on individual life satisfaction. To assess this impact, we use two original representative surveys conducted before and after the protests in 2022. The repeated cross-sectional dataset...

In December 2020, Germany implemented a policy restricting online pharmacies from offering rebates on prescription drugs to members of the statutory health insurance. This policy change created a natural experiment, allowing us to analyze its impact on the pharmaceutical market using...

Household heterogeneity has been shown to be an important driver of aggregate demand. In this research, we demonstrate that it also impacts the supply side. We build a model in which heterogeneous households vary in their extent to which they supply production factors (labor and capital). Our...

Doctoral dissertations provide evidence about research practices in early-stage research. We examine reporting bias by manually collecting over 94,000 test statistics from a random sample of German dissertations and their follow-up papers worldwide. We observe selective reporting, as only a...

This study examines the dynamics of the German university system, focusing on the competition between public and private universities and the impact of institutional boundaries. Utilizing concepts from organizational, institutional, and competition theory, we conceive a framework to explore...

This paper examines the impact of Germany's nationwide 9-Euro-Ticket, a temporary almost fare-free transport ticket, on highway passenger traffic. Using a difference-in-differences approach, we find a significant reduction of approximately 4.5%, primarily driven by decreased weekend traffic....

Inspired by the controversial public and political debate in the European Union (EU) about legal initiatives to protect human rights and the environment along supply chains (e.g., the Corporate Sustainability Due Diligence Directive, CSDDD), this paper examines individual preferences for...

Due to rent control, the primary landlord-tenant dilemma prevents landlords from recovering costs of energy-efficiency retrofits, which mainly benefit tenants. This necessitates tenancy law to allocate retrofit and energy costs adequately. We analyze the impact of Germany's current system and...

Legal norms can have a direct effect on individual behavior through their legal enforcement. However, according to the 'expressive function of law,' they can also have indirect effects on individual behavior by shaping related social norms. Since evidence for this expressive function is scarce,...