Problem definition: We investigate the joint advertising-mode-choice, time-allocation, and pricing policies for different types of wanghongs under short-video time constraint. Wanghong is the Chinese term for an internet celebrity or a social influencer who produces and uploads short videos to...

Price elasticities characterize the effect of price changes on demands in a multi-product context. We demonstrate and explain two perverse properties concerning price elasticities in the presence of network effects when three or more substitutable products are involved: Cross-price elasticities...

We show that in the presence of network effects, the effect of new firm entry on the equilibrium prices and demands of incumbent firms is not clear. In contrast to conventional thinking, we find that incumbent firms could use a higher price, have a larger demand, and earn a higher profit in the...

We consider an infinite-horizon dynamic matching problem where the agents on one side, say supply side, are long-lived, and those on the other, say demand side, are impatient and will get lost if unmatched upon arrival. The agents on either side are vertically differentiated with a high- or...