Are Uber’s latest price cuts sustainable?

Uber is wasting little time in putting last month’s huge $1.2bn fundraising to work. As it races for marketshare against not-quite-so-well-funded rivals such as Lyft, it has been cutting prices for its cheapest service, UberX, in several markets including its largest, the San Francisco Bay Area.

The fare reduction is flagged as temporary, which may be just as well: Fortune discovered that Uber is losing money on every fare by paying drivers more than it charges passengers, in order to boost their earnings and prevent them from switching to a more lucrative rival.

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