We study the introduction of new technologies when their costs are subject to idiosyncratic uncertainty and can only be fully learned through individual experience. We set up a dynamic model of clean experience goods that replace old polluting consumption options and show how optimal regulation...

Due to the innovative nature of green-technology products (e.g., electric vehicles and solar panels), customers are usually a priori uncertain about their purchasing benefits and typically consult user experiences via online product reviews and word-of-mouth communications. Despite the critical...

We survey the literature on the economic consequences of the structure of social networks. We develop a taxonomy of "macro" and "micro" characteristics of social interaction networks and discuss both the theoretical and empirical findings concerning the role of those characteristics in...