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Portrait of Johannes Johnen
Photo: Courtesy of the author’s website

Johannes Johnen

Associate Professor of Economics, Université catholique de Louvain

1 publication since 2026Official page

Publications in the Network Law Review

Newest first
  1. 13 October 2026

    Not All Network Effects Are Red Flags: A Simple Screen for Digital Vertical Mergers

    Johannes Johnen and Shiva Shekhar

    This paper proposes a simple yet useful framework for evaluating vertical mergers in digital markets by distinguishing between product-specific and ecosystem-specific network effects.

    Killers and keepersGuarding the gatekeepersEconomists at the bar