Notes, Comments and Preliminary results Aug 11 2019 Manuela Coromaldi , Alessandra Garbero and Marco Letta   Recovering the counterfactual as part of ex-ante impact assessments: an application to the PASIDP – II project in Ethiopia   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Mar 16 2019 Marco Letta , Emiliano Magrini and Pierluigi Montalbano   Spatial heterogeneity in price (dis)incentives: evidence from the Ugandan maize value chain   Abstract  Contact Information  Citation  Full Text  -  Note