Research tribune

One laptop per child: "No evidence is found of effects on enrollment and test scores in Math and Language. Some positive effects are found, however, in general cognitive skills as measured by Raven's Progressive Matrices, a verbal fluency test and a Coding test."

"To diminish informality, cutting the costs of formality is more effective than raising those of informality."

"Obesity increases the risk of car rashes."

"The economic of compensation in family firms."