Most previous studies in price dispersion literature consider only the dispersion of post price. We build a model combining price dispersion with the associated sales, incorporating the dynamic update of online reputation in an Internet market. We identify buyer informativeness, which measures...

This report provides an overview of the relevant economic research literature on platforms or multi-sided online markets. It discusses platforms from a regulatory policy angle, including potential market failures in platforms, the extent of self-regulation and possible regulatory responses...