The insider-outsider theory is one of the approaches with which the persistence of unemployment can be accounted for. The central hypothesis says that the insiders, in other words the 'job holders', drive the wage level above the market-clearing level, thus creating a barrier that prevents new...

An important decision that must be made in operating training programs targeted toward disadvantaged workers is whether the programs dictate the specific training programs that participants will take or they issue vouchers that permit participants to select their specific training programs. Over...

It is widely agreed that randomized controlled trials - social experiments - are the gold standard for evaluating social programs. There are, however, many important issues that cannot be tested using social experiments, and often things go wrong when conducting social experiments. This paper...

This contribution focuses on the relation between wage inequality, participation behavior and employment and the analysis in the project 'Flexibility of the wage distribution, inequality and employment'. In this project we investigate whether the popular idea of an encrusted German labor market...

Disability insurance - the insurance against the loss of the ability to work - is a substantial part of social security expenditures in many countries. The benefit recipiency rates in disability insurance vary strikingly across European countries and the US. This paper investigates the extent...