1 Correction to: Operational Research https://doi.org/10.1007/s12351-019-00502-3

The article Pay for performance in health care: a new best practice tariff-based tool using a log-linear piecewise frontier function and a dual–primal approach for unique solutions, written by Diogo Cunha Ferreira, Rui Cunha Marques, Alexandre Morais Nunes, was originally published electronically on the publisher’s internet portal on 19 June 2019 without open access. With the author(s)’ decision to opt for Open Choice the copyright of the article changed on 8 July 2020 to © The Author(s) 2020 and the article is forthwith distributed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.