Retail prices for a product vary across time and places. The sources that drive price dispersion can be grouped into …-store price variation over time. I find there is price dispersion in the retail market in Uruguay. The decomposition shows that 39 … dispersion. Nevertheless, in recent years across-market price dispersion has been increasing, which can imply a structural change …

We assess price dispersion in retail markets and its sources over time. Using a product-detailed price database, we … document a consistent divergence of prices over time in retail markets in Uruguay: price dispersion increased by 3.1% in … fifteen years. Next, we analyze microeconomic and macroeconomic factors that correlate with price dispersion. We differentiate …

of higher firm productivity dispersion, plays a less important role in explaining rising inequality, except for the …