@inbook{Magrini_2021,
title={Assessment of agricultural productivity change at country level: A stochastic frontier approach},
ISSN={2704-5846},
url={http://dx.doi.org/10.36253/978-88-5518-461-8.37},
DOI={10.36253/978-88-5518-461-8.37},
booktitle={ASA 2021 Statistics and Information Systems for Policy Evaluation},
publisher={Firenze University Press},
author={Magrini,
Alessandro},
year={2021},
pages={197–202} }