Große Transportdienstleister (TDL) können Einsparpotentiale in der Tourenplanung durch Bündelungseffekte erschließen. Demgegenüber sind kleinere TDL auf die Bildung kooperativer Netzwerke angewiesen, um so ihre Kapazitäten auszulasten. In dieser Arbeit wird ein neuer dezentraler...

By discriminating between a lazy manager and a career concerns hypothesis, Aghion et al. (The American Economic Review 2013, 103(1), 277-304) try to disentangle the link between innovation and institutional ownership. Citation-weighted patent counts are used as a proxy for innovation, which...

Clustered covariances or clustered standard errors are very widely used to account for correlated or clustered data, especially in economics, political sciences, or other social sciences. They are employed to adjust the inference following estimation of a standard least-squares regression or...