Socio-Economic Planning Sciences · 2020 · 39 citations · 46 references
Public PolicyEconomicsDigital InclusionEconomic PolicyNew Empirical EvidenceArtsBusinessDigital Market ActDigital DivideTechnologyDigital Divide PoliciesFixed Broadband SubstitutesMicroeconomicsNet NeutralityDigital Economy
46
Sample Selection Bias as a Specification Error
James J. Heckman · Econometrica · 1979 · 28.4K citations