sanctioning institutions on firms’ communication. Using machine learning to organize the chat communication into topics, we find … present. At the same time, average prices are lower when communication is less explicit. A mediation analysis suggests that … the prevalence of explicit price communication. …

This paper sheds new light on the role of communication for cartel formation. Using machine learning to evaluate free …-form chat communication among firms in a laboratory experiment, we identify typical communication patterns for both explicit … sanctions on communication reinforces the direct cartel-deterring effect of sanctions as collusion is more difficult to reach …

This paper sheds new light on the role of communication for cartel formation. Using machine learning to evaluate free …-form chat communication among firms in a laboratory experiment, we identify typical communication patterns for both explicit … sanctions on communication reinforces the direct cartel-deterring effect of sanctions as collusion is more difficult to reach …

This paper characterizes geometrically the set of all Nash equilibrium payoffs achievable with unmediated communication …