Feuchtgebiete sind Ökosysteme, die durch die Anwesenheit vonWasser, spezielle Bodenverhältnisse und eine besondereVegetationszusammensetzung geprägt sind. Sie zählen zu den amstärksten bedrohten Ökosystemen der Erde. Im Verlauf des 20.Jahrhunderts nahm weltweit sowohl ihre Fläche als auch...

In this article, the authors sought to study the efficiency of the staff costs and its reflection upon the main economic and financial indicators of a company. In the performed study, the application of the factor analysis models was made at the level of an industrial trading company the social...

By casual empiricism, it seems that many firms take explicit account of the family ties connecting workers, often hiring individuals belonging to the same family or passing jobs on from parents to their children. This paper makes an attempt to explain this behaviour by introducing the assumption...

When Court enforcement is excessively difficult or costly, agents are often able to create «endogenous enforcement mechanisms», that is, to design agreements so that each party finds it optimal to carry them out (self-enforcing implicit contracts), thanks to the threat of sanctions affecting...

We ask if corporate executives have fixed effects (quirks) that explain perational decisions made in firms, independent of firm effects. We replicate the approach in Bertrand et al. (2003), solving the empirical challenge of distinguishing firm and executive effects by constructing a dataset of...

We analyze the effects of CEOs' layoff risk on their risk choice while overseeing a firm. A CEO, whose managerial ability is unknown, is fired if her expected ability is below average. Her risk choice changes the informativeness of output and market's belief about her ability. She can decrease...

This paper analyzes optimal contracts in a linear hidden-action model with normally distributed returns possessing two moments that are governed jointly by two agents, who can observe each others' effort levels and draft enforceable side-contracts on chosen effort levels and realized returns....

We study optimal incentives in a principal-agent problem in which the agent's outside option is determined endogenously in a competitive labor market. In equilibrium, strong performance increases the agent's market value. When this value becomes sufficiently high, the threat of the agent's...

Effiziente Reduktion des Produktionsrisikos im Ackerbau durch Ertragsversicherungen In Europa werden staatliche Hilfen für Ertragsversicherungen nach dem Vorbild der USA oder Kanada gefordert. In dieser Arbeit werden daher zum einen Bedingungen erarbeitet, unter denen die Subventionierung von...

The present work is dedicated to theoretical aspects of long-term evaluation with a focus on time and uncertainty structure. Motivated along the lines of global warming, the analysis renders contributions to the fields of environmental economics, decision theory, the economics of sustainability...