Die vorliegenden Studien sind von der elementaren Einsicht geprägt, daß in der Herstellung einer gerechten und produktiven Ordnung von Wirtschaft und Gesellschaft das zentrale und ewig aktuelle Knappheitsproblem der Menschheitsgeschichte zu sehen ist. Was kann die Wissenschaft zur Lösung...

This paper develops the method of local instrumental variables for models with multiple, unordered treatments when treatment choice is determined by a nonparametric version of the multinomial choice model. Responses to interventions are permitted to be heterogeneous in a general way and agents...

This paper shows that outsourcing of parts of workforce in unionized firms leads to wage moderation both in the case of strategic and flexible outsourcing and as long as the share of the outsourced workforce is not too large, this wage-moderation effect on domestic employment outweighs the...