For a Cournot duopoly with a foreign firm exporting to the home firm's market hedging against unfavorable shifts in the stochastic spot exchange rate is analyzed. In a two-stage setting with product market and hedging decisions we show that hedging can be used as a strategic device. Under...

For a causal interpretation of an observed association between an ordered pair of variables (X,Y) one has to assure that the association is not generated by a set of other variables T that influence both, X and Y. The term confounding is used to describe the phenomenon when an association is...

Seit Anfang der 90er Jahre gewinnt die graphische Modellierung abhängigkeitsanalytischer Modelle an Bedeutung. Dieser Beitrag widmet sich zunächst den Grundzügen der Abhängigkeitsanalyse, wobei wahrscheinlichkeitstheoretische Grundlagen und axiomatische Darstellungen von...