

CONTENTS
Judging the functioning of equity markets in 2020
Mikael PETITJEAN, Associate Professor, IÉSEG School of Management (LEM-CNRS 9221) and Louvain School of
Management (LFIN-IMMAQ, UCLouvain). Chief Economist, Waterloo Asset Management
Do surcharges influence our choice of payment instrument? Theory and evidence
Bruno KAROUBI, Université Paris-Est Créteil
What do we know about zombie firms?
Eric SÉVERIN, IAE, University of Lille, France
David VEGANZONES, ESCE, OMNES Education, Paris la Défense, France
Ownership and sustainability: the type of shareholder matters
Franck BANCEL, Professor, ESCP Business School
Dejan GLAVAS, Associate Professor, ESSCA School of Management
Fiche technique