Utilize the input text as a context reference, choose the right relationship between Jonathan Levin and Stanford University from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

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.

Answer: employer