Do Ratings Cut Both Ways? Impact of Bilateral Ratings on Platforms

Working Papers

Traditional online platforms (e.g., Amazon Marketplace) use Unilateral Rating System (URS), where customers rate sellers. However, sharing economy platforms (e.g., Uber, Airbnb) have adopted Bilateral Rating System (BRS) that also allows service providers to rate customers, and even selects customers based on their ratings.Read More

Bilateral Rating Systems in Online Marketplaces: Design and Impact

Funded Research Proposal

In recent years, digital innovations have fundamentally changed how many services and resources are put together and deployed. These include marketplaces like Uber and Airbnb that help match decentralized supply with demand. Read More

Is Tom Cruise Threatened? An Empirical Study of the Impact of Product Variety on Demand Concentration

Published Research

We empirically examine the impact of expanded product variety on demand concentration using large data sets from the movie rental industry as our test bed. We find that product variety is likely to increase demand concentration.Read More