Die Dissertation enthält drei Aufsätze, welche sich mit Prinzipal-Agenten Beziehungen in Verbindung mit moralischem Risiko beschäftigen. Dabei ist der Agent für die Ausführung von multiplen Aufgaben (Multitasking) verantwortlich. In dem ersten Aufsatz wird ein Prinzipal-Agenten Modell...

This paper examines how employees trade off planned activities versus unplanned innovation, and how firms can choose incentives to affect these choices. It develops a multi-task model where employees makes choices between their assigned standard tasks, for which the firm has a performance...

This paper analyzes a multi-task agency relationship with a risk-neutral and financially constraint agent. The agent's performance evaluation is incongruent, i.e. it does not reflect his contribution to firm value, and thus motivates an inefficient effort allocation across tasks. This paper...

This paper analyzes a multi-task agency model with a risk-neutral and financially constrained agent. The agent's performance evaluation is thereby incongruent, i.e. it does not perfectly reflect the relative contribution of the agent's multi-dimensional effort to firm's profit. This paper...

We present a model in which a motivator can take costly actions - or what we call motivational effort - in order to reduce the effort costs of a worker, and analyze the optimal combination of motivational effort and monetary incentives. We distinguish two cases. First, the firm owner chooses the...

In this paper we present results from a large scale real effort experiment in an online labor market investigating the effect of performance pay and two common leadership techniques: Positive expectations and specific goals. We find that positive expectations have a significant negative effect...

This paper develops a simple economic model to examine how leadership styles in organizations depend on the prevailing wage-setting conditions for workers. In particular, we examine a leader who can - in addition to the use of monetary incentives - motivate a worker by adopting leadership styles...