Garrod, Luke; Li, Ruochen; Russo, Antonio; Wilson, … - 2025
general demand function, we analyse the effects of cost changes in a seminal model of price dispersion, where some consumers … industry-wide cost increase, we show how the magnitudes of price rises faced by different consumer types, as well as the wider … effects on price dispersion, depend upon whether demand is log-concave or log-convex. Furthermore, we examine whether the …