Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
The Swaps index (Apesteguia and Ballester, 2015) is a popular measure of rationality in the revealed preference literature. In this note, we show a connection between the Swaps index and the Kemeny rule, a well-known method of preference aggregation in social choice theory. Our new interpretation of the Swaps index makes it a suitable measure of menu dependence in preferences.