Health care systems are under reform in many countries. This typically involves a shift towards more competition. But still, markets are highly regulated. This study analyzes competition and regulatory measures in four important fields using the modern tools of microeconomic theory and...

Introduction -- Background for the Empirical Analyses: Institutional Details and Data -- Centralized versus Decentralized Welfare Administration -- The Employment Effects of an Intensified Use of Benefit Sanctions -- The Effectiveness of Temporary Extra Jobs and Short-Term Training Programs --...