Explains the value of quasi-experimental techniques that can be used to approximate randomized experiments. The goal is to describe the logic of causal inferenc

How we raise young children is one of today's most highly personalized and sharply politicized issues, in part because each of us can claim some level of "exper

Empirical measurement of impacts of active labour market programmes has started to become a central task of economic researchers. New improved econometric metho

Contributors thoroughly survey the most important statistical models used in empirical reserch in the social and behavioral sciences. Following a common format,

This User’s Guide is a resource for investigators and stakeholders who develop and review observational comparative effectiveness research protocols. It expla