Michelangelo Rossi is an Associate Professor of Marketing at HEC Paris and a research affiliate at the CESifo Research Network. His research examines how digital platforms, online reviews, and algorithms shape competition, consumer trust, and market outcomes in the digital economy.
His work sits at the intersection of marketing, economics, and digital policy, with a focus on how online platforms design information, reputation systems, and algorithms; and how these choices affect consumers, firms, and competition.
His research provides evidence-based insights on issues such as online reviews and ratings, platform competition, discrimination in digital markets, hidden fees, and the unintended consequences of transparency and disclosure. By combining large-scale platform data with economic modeling, he helps decision makers understand when digital tools build trust and efficiency, and when they backfire.
Michelangelo’s work has been published in leading academic journals, including Management Science and Marketing Science, and has been featured in practitioner-oriented outlets such as Harvard Business Review. His research has received multiple international awards and has informed debates on platform regulation, antitrust, and digital market design, including discussions related to the Digital Markets Act.
Before joining HEC Paris, he was an Assistant Professor of Digital Economics at Télécom Paris. He regularly speaks to academic, policy, and professional audiences on the governance of digital platforms and the future of online markets.
At HEC Paris, he teaches Marketing Management in the Grande École program, connecting marketing strategy with insights from digital platforms and online markets.
Brands & Behaviors
Strategy & Leadership