In one embodiment, a method comprises determining, based on one or more metrics indicative of passenger demand and driver supply associated with a transportation service, to send a first minimum fare offer to a first driver, the first minimum fare offer specifying a first minimum amount of compensation to be provided to the first driver for a first time period; tracking compensation accrued by the first driver during the first time period for servicing at least one ride for the transportation service; and determining compensation for the driver for the first time period, wherein the determined compensation is the greater of the first minimum amount of compensation specified in the first minimum fare offer and the tracked compensation accrued by the first driver during the first time period for servicing the at least one ride for the transportation service.