Using the contingent claim approach and market data on sovereign credit default swaps we assess the drivers of a country s risk perception. Deriving market-based asset values for a set of advanced economies we gain insights into the capital markets perspectives on sovereign creditworthiness. We...

We consider fundamental questions of arbitrage pricing arising when the uncertainty model incorporates volatility uncertainty. With a standard probabilistic model, essential equivalence between the absence of arbitrage and the existence of an equivalent martingale measure is a folk theorem, see...

In this paper, we show that large inflows into commodity investments, a recent phenomenon known as financialization, has changed the behavior and dependence structure between commodities and the general stock market. The common perception is that the increase in comovements is the result of...

Das 1. Symposium für Ökonomie im Gartenbau fand am 27. November 2013 in der Paulinerkirche in Göttingen statt. Es wurde als Kooperation der Georg-August-Universität Göttingen, des Thünen- Instituts für Betriebswirtschaft und des Agrarkompetenznetzes WeGa durchgeführt. Die Veranstaltung...

Incentives often distort behavior: they induce agents to exert effort but this effort is not employed optimally. This paper proposes a theory of incentive design allowing for such distorted behavior. At the heart of the theory is a trade-off between getting the agent to exert effort and ensuring...