After a short description of some positions which reject the principle of value freedom and after a short specification of what is meant with this principle, first the relation between the genesis of a scientific statement and its validity is discussed. There, we also tackle the problem of...

Um zu zeigen, dass wirtschaftliche Aktivitäten dem Gemeinwohl dienen, wird als normative Referenz im allgemeinen das Pareto-Kriterium verwendet. Dieses lässt sich auch in begrenztem Rahmen zur Rechtfertigung politischer Entscheidungen nutzen. Damit solche Entscheidungen getroffen werden...

Many European countries entertain considerable active labour market policies (ALMP) to increase the reemployment chances of the unemployed. Since policies are very costly the pressure for scientific evaluations of the single programmes that are part of the ALMP increases. This paper surveys...