Pinduoduo's team purchase model is often compared to group buying sites because both allow groups of people to join together to buy goods and services at a discount. But the two are actually very different, as is explained in this podcast episode.

Learn about how:

1. PDD's team purchase model benefits from economies of scale but traditional group-buying does not

2. The act of social interaction on PDD helps personalize your individual recommendations feed

3. PDD's team purchase model rewards high-quality merchants while traditional group-buying sites actually disincentivizes merchants