Take context from the input text and decide on the accurate relationship between 'Jonathan Levin' and 'Stanford University' from the options provided.
Options: publisher, original broadcaster, location of formation, employer

An NBER working paper from 2013 by Liran Einav, Chiara Farronato and Jonathan Levin of Stanford University and Neel Sundaresan of eBay Research Labs tries to work out why auctions have fallen out of favour.
employer