Drei Probleme der Risikobewertung bei öffentlichen Investitionen werden behandelt. Erstes Thema ist die Frage nach der richtigen Diskontrate bei unsicherem Wirtschaftswachstum. Zentrales Ergebnis ist, dass die übliche Ramsey-Gleichung bei Unsicherheit keine Gültigkeit mehr hat und einer...

Using an empirical age-period-cohort model we analyze the effects of different Pay-As-You-Go (PAYG) public pension systems on financial imbalance, on inequality in permanent income, and on the rate of return of social security assets of heterogeneous agents in terms of gender and education....

The Affordable Care Act requires insurers to offer cost sharing reductions (CSRs) to low-income consumers on the Marketplaces. We link 2013-2015 All-Payer Claims Data to 2004-2013 administrative hospital discharge data from Utah and exploit policy-driven differences in the actuarial value of CSR...

In response to strong revenue and income losses that a large share of the self-employed faced during the COVID-19 pandemic, the German federal government introduced a €50bn emergency aid program. Based on real-time online-survey data comprising more than 20,000 observations, we analyze the...

Since the German reunification, Eastern German firms are prioritized in public policy schemes. This study analyzes the impact of public technology policies on innovation of firms located in Eastern Germany. The main question is whether public funding stimulates innovation activities or whether...

Large-scale environmental programs generally commit substantial societal resources, making the evaluation of their actual effects on the relevant outcomes imperative. As the example of the subsidization of energy-saving appliances illustrates, much of the applied environmental economics...

By international comparison as well as compared to other EU policies, the EU‘s Cohesion Policy (CP) evaluation system is far developed and institutionalized. This paper analyses the remaining gaps and shortcomings in the CP evaluation system against principles established by the OECD and...

Independent and high-quality evaluations of government policies are an important input for designing evidence-based policy. Lack of incentives and institutions to write such evaluations, on the other hand, carry the risk of turning the system into a costly beauty contest. We study one of the...

The measurement of the effective tax burden on profitable investments encounters many methodological problems. Some of them can be overcome by using an approach presented by Devereux and Griffith. Based on their methodology, we develop a measure for effective tax rates for profitable investments...