Media type: E-Book Title: External validity and policy adaptation : from impact evaluation to policy design Contributor: Williams, Martin J. [Author] Published: Kiel: PEGNet, 2019 Published in: Poverty Reduction, Equity and Growth Network: PEGNet policy brief ; 2019,18 Extent: 1 Online-Ressource (5 Seiten); Illustrationen Language: English Identifier: Keywords: Graue Literatur Origination: Footnote: Access State: Open Access