In this note we provide a method for converting sales rank data into sales quantity. We show how sales quantity data can be extracted from product inventories on Amazon for a subset of products. We collect a large dataset using this method and then generalize results from Chevalier & Goolsbee...

There has been much concern that social media, in particular YouTube, may facilitate radicalisation and polarisation of online audiences. This systematic review aimed to determine whether the YouTube recommender system facilitates pathways to problematic content such as extremist or radicalising...

In the fight against COVID-19, economic activities that require close physical contact have been severely restricted. Governments around the world have put in place containment measures to slow down the rate of infection, including lockdowns, border closures, and restrictions on economic...