Poor labour-market outcomes remain one of Poland’s major structural weaknesses, impeding firms’ competitiveness and the nation’s potential output. Boosting employment prospects is also critical, as the country will soon be ageing at a fast pace. Despite long working hours, labour...

This paper studies the effects of a voluntary skill certification scheme in an online freelancing labour market. The paper show that obtaining skill certificates increases a worker’s earnings. This effect is not driven by increased worker productivity but by decreased employer uncertainty. The...