This book contains the latest and most up-to-date research results from the fields of brands, labels and product, presented at the international colloquium COBLI 2021, held in Orleans, France. It covers a wide range of topics from the fields of economics, psychology, information technology and...

Survivor testimonies link survival in deadly POW camps, Gulags, and Nazi concentration camps to the formation of close friendships with other prisoners. We provide statistical evidence consistent with these fundamentally selective testimonies. We study the survival of the 140 thousand Jews who...

We study both endogenous and exogenous peer effects in worker productivity using an explicit network approach. We apply this method to data from an in-house call center of a multinational mobile network operator that include detailed information on individual performance. We find that a 10%...