This article analyzes the effect of free public education on fertility, private educational investments and human capital accumulation at different stages of economic development. The model shows that when fertility is endogenous parental human capital levels are crucial for implications of free...

Social experiments are powerful sources of information about the effectiveness of interventions. In practice, initial randomization plans are almost always compromised. Multiple hypotheses are frequently tested. "Significant" effects are often reported with p-values that do not account for...