Randomized evaluation of public policies began to be applied to major social programs in France since 2007, more than forty years after the first similar work in the United States. They have been experiencing rapid development. These experimental methods are to evaluate the effects of a policy...

In France, the coexistence of three expensive policies intended to reduce the labor cost, a general payroll tax cut on low-paid jobs, the Tax Credit for Competition and Employment and the Responsibility Pact announced in early 2014 is a source of complexity that makes the overall tax-benefit...