By randomising the order in which new economics research papers are presented in email alerts and tracking economists’ subsequent download activity, this paper uses a natural field experiment to better understand the reasons why individuals show a disproportionate tendency to select items...

I show that the equilibrium derived in Gravelle and Sivey (2010) cannot hold for rational consumers. I then partially characterize the continuum of possible equilibria for rational consumers.

I show that the equilibrium derived in Gravelle and Sivey (2010) cannot hold for rational consumers. I then partially characterize the continuum of possible equilibria for rational consumers.