The thesis consists of an introductory part and four self-contained papers. Paper [I] theoretically analyzes how the level and uncertainty of future prospects affect incentives to abstain from sexual risk taking in the presence of HIV. The results suggest that, for individuals with limited...

We show that risk-averse hyperbolic-discounting agents can benefit from positive exposure to risk and thus behave as if risk-loving. When the benefits of costly effort are delayed, selecting some risk concerning the outcome of one’s own effort can serve as an intrapersonal commitment device...

The unprecedented collapse of international interbank borrowing was a prominent feature of the global financial crisis that started in August 2007. This paper focuses on the drivers of the retrenchment from 32 advanced and emerging banking systems. Using novel risk-weighted indexes the paper...

Ecological, toxicological, and pharmacological research is often concerned with the answer to the question of how a substance is processed within a biological system. The exact knowledge of the corresponding kinetic pattern forms the basis for a useful answer. In order to identify non-linear...

Recent financial crises have highlighted the potentially significant macroeconomic costs of financial system instability, and the potential for the instability in the financial system of one country to have broader implications for the stability of financial systems and macroeconomic performance...