Left photo: Mobile food delivery person. © Artavazd Hakobayan/World Bank. Right photo: Moscow metro map. © news.metro.ru From meal orders to grocery delivery, the online market for food is growing…

Ingrid Katrina Korsgard, Artavazd Hakobyan |

Whether matching drivers with riders or landlords with lodgers, digital platforms like Uber and AirBnB push the marginal cost of matching supply and demand to an unprecedented low. Large…

Julian Lampietti, Kyle Farrell |