González, Xulia; Miles-Touya, Daniel - In: SERIEs - Journal of the Spanish Economic Association 9 (2018) 1, pp. 115-139
This paper identifies patterns of cross-sectional and temporal price dispersion-in the Spanish online grocery retail market-and evaluates the extent to which search costs and chain heterogeneity explain such dispersion. We build a data set comprising 836,074 prices for the most popular grocery...