When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
By Giuseppe Bertola, Reto Foellmi, Josef Zweimüller. Giuseppe Bertola is Professor of Economics at the University of Turin. Reto Foellmi is Assistant Professor of Economics at the University of Zurich.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.