SSRN Electronic Journal · 2006 · 48 citations · 34 references
Social SciencesBusiness EconomicsEconomicsEconometricsInnovationPublic EconomicsCross-sectional EconometricsInnovation Impact AssessmentInnovation PolicyNonparametric EconometricsPanel Data MethodsAdditionality TestCis ApproachCommunity InnovationDifference-in-differencesInvestment Crowding-in EffectsInvestment SubsidiesR And D SpilloversResearch Subsidies
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The Pure Theory of Public Expenditure
Paul A. Samuelson · The Review of Economics and Statistics · 1954 · 7.3K citations
Matching As An Econometric Evaluation Estimator
James J. Heckman, Hidehiko Ichimura, Petra Todd · The Review of Economic Studies · 1998 · 3.8K citations
SOME THOUGHTS ON THE DISTRIBUTION OF EARNINGS 1
A. D. Roy · Oxford Economic Papers · 1951 · 3K citations