Chong, Alberto; Porta, Rafael La; Lopez-de-Silanes, … - In: Journal of the European Economic Association 12 (2014) 2, pp. 277-299
We mailed letters to non-existent business addresses in 159 countries (10 per country), and measured whether they come back to the return address in the United States and how long it takes. About 60% of the letters were returned, taking over six months, on average. The results provide new...