1. John Locke and the Three Pillars of Liberty -- 2. Jean Jacques Rousseau and the Three Pillars of Equality -- 3. Adam Smith and the system of natural liberty -- 4. The arrival of the liberty narrative in America -- 5. The French revolution and the socialist alternative -- 6. The evolution of...

Based on new, exceptionally informative and large German linked employer-employee administrative data, we investigate the question whether the omission of important control variables in matching estimation leads to biased impact estimates of typical active labour market programs for the...