Heckman, James J. - Forschungsinstitut zur Zukunft der Arbeit <Bonn> - 2008
parameters are defined and identified to address specific policy problems... …This paper presents the econometric approach to causal modeling. It is motivated by policy problems. New causal … (2003), Abbring
& Heckman (2007, 2008), and Heckman & Navarro (2007) develop models for dynamic
counterfactuals, where time …