ABSTRACT:Prices that end with 9, also known as psychological price points, are common, comprising about 70% of the retail prices. They are also more rigid than other prices. We take advantage of a natural experiment to document an emergence of a new price ending that has the same effects as 9-endings. In January 2014, the Israeli government passed a new regulation prohibiting the use of non 0-ending prices, bringing an end to 9-ending prices. We find that seven months after 9-ending prices have disappeared, 90-ending prices acquired the same status as 9-ending prices had before the new regulation was adopted. Thus, 90-ending prices became the new psychological price points, partially eliminating the regulation's intended effect.
JEL Classification:E31, L16, K20, D40, D83, L81, M21, M31 Keywords: 9-ending prices; psychological price points; price recall/perception; sticky/rigid prices; level/left-digit effect; image/right-digit effect; integer constraint; price control; price regulation ✩ We thank two anonymous reviewers for thoughtful comments, which helped us improve the data analyses and better position the paper in the context of the existing literature, and Doron Sayag for his help with the data. All authors contributed equally: we rotate co-authorship. Any remaining errors are ours.