Electronic shelf label (ESL) is an emerging price display technology around the world. While these new technologies require non-trivial investments by the retailer, they also promise significant operational efficiencies in the form of savings in material, labor and managerial costs. The presumed...

We report that the price of a 6.5oz Coke was 5¢ from 1886 until 1959. Thus, we are documenting a nominal price rigidity that lasted more than 70 years! The case of Coca-Cola is particularly interesting because during the 70-year period there were substantial changes in the soft drink industry...

This paper uses store-level data on consumer liquor revenues and volume sales in Oregon to estimate the effect of state tax differentials on consumer demand. Liquor privatization in Washington led to higher prices from new taxes. I calculate the impact of tax incidence on tax avoidance using...

Street vending is an important source of self-employment for the urban poor. I combine observational, survey, and experimental data from Delhi to study this market. Partnering with vendors to randomize prices and passersby they solicit, I find that even with identical goods, child vendors are...

We consider two-stage shortlisting procedures in which the menu of alternatives is first pruned by some process or criterion and then a binary relation is maximized. Given a particular first-stage process, our main result supplies a necessary and sufficient condition for choice data to be...

We propose a novel method to model an agent who is imperfectly attentive in the sense that she may consider only some of the alternatives available. Our methodology departs from the standard 'revealed preference' one: we make plausible assumptions on the values to the imperfectly attentive agent...