The Editor and the Algorithm: Recommendation Technology in Online News

The authors thank Tobias Gesche, Miguel Godinho de Matos, Tobias Kretschmer, Anja Lambrecht, Dokyun Lee, Klaus Miller, Lorien Sabatino, Tianshu Sun, Huseyin Tanriverdi, Catherine Tucker, Tommaso Valletti, Dogukan Yilmaz, as well as conference and seminar participants at KOF-ETH Zurich, MIT CODE, Media Economics Workshop (Lecce), MIT IDE Annual Conference, Marketing Science (Rome), SCECR (Hong Kong), Munich Beliefs about Society and Politics Workshop, Workshop on the Economics of Data and AI at the European Commission, USC Marshall, Santa Clara University, University of Houston, CLE-ETH Zurich, HEC Lausanne, KU Leuven, University of Bologna, ZEW Mannheim, CIST, Paris Seminar on the Economics of Digitization, Zurich Media and Digitization Workshop, NBER IT and Digitization Spring Meeting, NBER IO Spring Meeting, Digital Platforms Seminar hosted by Toulouse School of Economics, Harvard Business School Digital Initiative Seminar, UT Austin McCombs School of Business, and CESifo Economics of Digitization Conference for helpful suggestions.

Author order of the first two authors, who contributed equally, is certified random using the AEA author randomization tool and publicly archived under as_5-qIu16iQ.

The study is registered at the AEA RCT Registry under AEARCTR-0004264.