Articles by Sara Fisher Ellison, Glenn Ellison:

What Used Books Can Tell Us about Competition in Online Markets

It is not every day that economists can identify a market where consumers are significantly better off after large price increases. Nonetheless, a new working paper by Ellison and Ellison proposes and substantiates a model of the online market for used books that—thanks to improved buyer-seller matches made possible by new search technologies—finds exactly that.  

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