In early 2019, the stock prices of the German company Wirecard AG experienced market turmoil after several critical reports on activities claimed to be illegal. To analyze the market impact of news, we use stock price data for Wirecard AG and apply the reversed news model. We elaborate on...

In the model there are two types of financial auditors with identical technology, one of which is endowed with a prior reputation for honesty. We characterize conditions under which there exists a "two-tier equilibrium" in which "reputable" auditors refuse bribes offered by clients for fear of...

stock market crash on hedging strategies by portfolio insurers, which dictated selling stocks as soon as prices fell. The fact that the practice of buying and selling stocks as portfolio insurance has virtually disappeared since then has given many comfort that a replay of the 1987 crash, when...

Models to the issue of altruism which rely on externalities of well-being are rarely used explicitly. In this paper we compare such utility-based approaches with the standard approach on altruism which is based on externalities of income. Testable differences of both types of models are derived...

We empirically examine the efficacy of various incentives of microlending contracts such as joint-liability or group access to future loans. We find that joint liability induces a group formation of low risk borrowers. Furthermore, the incentive system leads to peer measures between the...

If a previously unpaid activity (donating blood) is paid then we often observe that this activity is reduced. In this paper, it is hypothesised that the price offered is taken as a proxy for the "market value" of the activity. Depending on how the actor valued the activity previously,...

This discussion paper considers insurance as a possible instrument of farm income stabilization and compares several crop insurance products with respect to their applicability in a transition economy using the case of Kazakhstan. The analysis is based on a qualitative evaluation as well a...

Risk plays an important role in agricultural decision-making, particularly in those regions that are remarkably exposed to natural hazards and underdeveloped input and output markets. This is especially true for crop production in CIS countries where many farms have to deal with low liquidity...

Эта публикация является нашим ответом на многочисленные вопросы и желание коллег из стран СНГ получить больше информации об актуальных тенденциях раз- вития...

Wir analysieren das Gesetz zur Angemessenheit der Vorstandsvergütung. Ferner arbeiten wir einige aufgrund wirtschaftswissenschaftlicher Überlegungen zu erwartende Probleme heraus und prognostizieren mögliche ökonomische Auswirkungen des Gesetzes. Des Weiteren gehen wir im Rahmen einer...