• Akyol, M., Neugart, M. and Pichler, S. (2013). Were the Hartz reforms responsible for the improved performance of the German labour market? Economic Affairs, 33, 3447.
  • Bentolila, S., Cahuc, P., Dolado, J. J. and Le Barbanchon, T. (2012a). Two-tier labor markets in the Great Recession: France vs. Spain. Economic Journal, 122, 15587.
  • Bentolila, S., Dolado, J. J. and Jimeno, J. F. (2012b). Reforming an insider–outsider labour market: the Spanish experience. IZA Journal of European Labor Studies, 1, 4.
  • Fujita, S. and Ramey, G. (2009). The cyclicality of separation and job finding rates. International Economic Review, 50, 41530.
  • Jacobi, L. and Kluve, J. (2006). Before and after the Hartz reforms: the performance of active labour market policy in Germany. IZA Discussion Paper no. 2100, Bonn.
  • Krebs, T. and Scheffel, M. (2013). Macroeconomic evaluation of labor market reform in Germany. IMF Working Paper no. WP/13/42, Washington, DC.
  • Michaillat, P. (2012). Do matching frictions explain unemployment? Not in bad times. American Economic Review, 102, 172150.
  • Molloy, R., Smith, C. L. and Wozniak, A. (2011). Internal migration in the United States. Journal of Economic Perspectives, 25, 17396.
  • Petrongolo, B. and Pissarides, C. A. (2001). Looking into the black box: a survey of the matching function. Journal of Economic Literature, 38, 390431.
  • Petrongolo, B. and Pissarides, C. A. (2008). The ins and outs of European unemployment. American Economic Review Papers and Proceedings, 98, 25662.
  • Pissarides, C. A. (2000). Equilibrium Unemployment Theory, 2nd edn. Cambridge, MA: MIT Press.
  • Pissarides, C. A. (2011). Equilibrium in the labor market with search frictions. American Economic Review, 101, 1092105.
  • Rothstein, J. (2011). Unemployment insurance and job search in the Great Recession. Brookings Papers of Economic Activity, 43, no. 2, 143210.
  • Shimer, R. (2012). Reassessing the ins and outs of unemployment. Review of Economic Dynamics, 15, 12748.