We demonstrate in a laboratory experiment in which subjects play a two-player Cournot-Tullock game over hundreds of periods of varying length that full accounts of subjects' learning requires the consideration of, both, 'period time' and 'physical time.'

Reanalyzing 12 experiments on the repeated prisoner's dilemma (PD), we robustly observe three distinct subject types: defectors, cautious cooperators and strong cooperators. The strategies used by these types are surprisingly stable across experiments and uncorrelated with treatment parameters,...

Im Rahmen des 'Ersten Gesetzes für moderne Dienstleistungen am Arbeitsmarkt' wurden die Zumutbarkeitskriterien verschärft und die Sperrzeitendauer reformiert, um die Sanktionsinstrumente der Bundesagentur für Arbeit (BA) leichter anwenden zu können, den Missbrauch von Versicherungsleistungen...

The paper analyzes the individual and regional determinants of unemployment benefit sanctions in Germany. On the basis of an administrative data set a multilevel hazard rate model in discrete time for the transitions into a sanction is estimated, controlling for unobserved heterogeneity on the...