goods from a major shopping platform, we shed new light on how prices are set in online markets, which have a number of … special properties such as low search costs, low costs of monitoring competitors' prices, and low costs of nominal price … adjustment. We document that although online prices are more flexible than offline prices, they continue to exhibit relatively …

, but not which, prices to adjust in any given period, our model admits exact aggregation and reduces to a one …

We introduce a new data set on over 230,000 monthly prices for 10 goods in 50 Canadian cities over the 40 year period … retail prices--at mid-century than in the 1990s. We also consider the linkages between nominal rigidities and price …

estimate that reductions in price dispersion raised welfare by 0.3 percent. E-commerce also lowered variety-adjusted prices on …

absolute size of price changes increasing with inflation: price changes should become larger as prices drift further from their … implications for the optimal inflation rate need to be reassessed. We also find that (non-sale) prices have not become more …