Very little is known about the effectiveness of SME policies, and a careful look at the structure, mechanisms and incentives provided by these policies suggest caution in their implementation and, most importantly, the need to carefully and closely monitor their results. This paper relies on the...

We evaluate the effects of employer-provided formal training on employee suggestions for productivity improvements and on promotions among male blue-collar workers. More than twenty years of personnel data of four entry cohorts in a German company allow us to address issues such as unobserved...