Information, Prices and Buyer Entry

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Conventional wisdom suggests that information transparency about prices lowers prices and markups by intensifying seller competition. However, in markets with costly buyer entry, price transparency also draws in more buyers, increasing demand-side competition and putting upward pressure on prices. We show that this buyer entry effect may dominate, and prices and markups may rise with information transparency.

JEL Code(s): D, D4, D40, D8, D83, L, L1, L11
Research Theme(s): Models and tools, Economic models

DOI: https://doi.org/10.34989/swp-2026-4