Nirei, Makoto; Stachurski, John; Watanabe, Tsutomu - In: Theoretical Economics 15 (2020) 4, pp. 1365-1398
This study provides an explanation for the emergence of power laws in asset trading volume and returns. We consider a two-state model with binary actions, where traders infer other traders' private signals regarding the value of an asset from their actions and adjust their own behavior...