competition in which variable markups increasing in firm size are a key source of misallocation across firms and countries. We use …

We integrate a market microstructure model with an exchange competition model with entry in which exchanges supply … strategic substitutes or complements in platform competition. Free entry of platforms delivers a superior outcome in terms of …

, integrating a microstructure model with a free-entry, exchange competition model where exchanges have market power in …

competition model with entry in which exchanges supply technological services, and have market power. We find that technological … services can be strategic substitutes or complements in platform competition. Free entry of platforms delivers a superior …

of fibre mean that the technology choices made today will dictate the forms of competition and regulation that develop in … different architectures and wholesale scenarios on investment, cost, profitability, reach, competition, market shares, pricing … and welfare. We have used a steady state cost model that feeds cost functions into a strategic competition model. Figure 1 …