Digital platforms controlled by Alibaba, Alphabet, Amazon, Facebook, Netflix, Tencent and Uber have transformed not only the ways we do business, but also the very nature of people's everyday lives. It is of vital importance that we understand the economic principles governing how these platforms operate. Paul Belleflamme and Martin Peitz's book The Economics of Platforms: Concepts and Strategy (Cambridge UP, 2021) explains the driving forces behind any platform business with a focus on network effects. The authors use short case studies and real-world applications to explain key concepts such as how platforms manage network effects and which price and non-price strategies they choose. This self-contained text is the first to offer a systematic and formalized account of what platforms are and how they operate, concisely incorporating path-breaking insights in economics over the last twenty years.

Martin Peitz is professor of economics at the University of Mannheim (since 2007), a director of the Mannheim Centre for Competition and Innovation – MaCCI (since 2009). He has been member of the economic advisory group on competition policy (EAGCP) at the European Commission (2013–2016), an academic director of the Centre on Regulation in Europe, CERRE (2012–2016) and head of the Department of Economics (2010–2013). Martin has widely published in leading economics journals. He also frequently trains and advises government agencies in Europe and abroad on competition and regulation issues.

Peter Lorentzen is economics professor at the University of San Francisco. He heads USF's Applied Economics Master's program, which focuses on the digital economy. His research is mainly on China's political economy.

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