Prior works offer compelling evidence that on the demand side of the market, user-generated online product reviews play a very important role in informing consumers' purchase decisions. On the supply side, however, the interplay between online product reviews and firm strategies is less...

The advancement of IT has made it easy to communicate the online review information of a product and its previous sales volume information, both of which affect consumer purchase. How should firms react to the coexistence of these two types of information? Should the firms reduce their prices...

Most previous studies in price dispersion literature consider only the dispersion of post price. We build a model combining price dispersion with the associated sales, incorporating the dynamic update of online reputation in an Internet market. We identify buyer informativeness, which measures...