This paper develops a theory of oligopoly and markups in general equilibrium. Firms compete in a network of product … extent of competition from substitute products. I estimate that, in 2019, public corporations produced consumer surplus in …

Merger value is frequently evaluated in single market contexts without considering possible gains stemming from firms … multimarket firms create incremental value. We establish a simple theoretical model that determines merger value in a multimarket … firm environment. The model enables us to derive merger values as being independent of post-merger market shares, but …

-competitive consequences of the merger as well as the related phenomenon of common ownership in the ride-hailing sector. Since the publication … of the post, the Uber-Grab merger has been approved, and similar transactions (eg between Uber and Careem) have taken … place. In addition, the Competition Commission of India has investigated the common ownership of Uber and its local …