Before revision:  These impacts are assessed by a market equilibrium model that captures the incentives of the passengers, drivers , and the platform, and accounts for the congestion externalities of the TNC vehicles.
After revision:  These impacts are assessed by a market equilibrium model to calculate the changes in the number of passenger trips and trip fare, number of drivers employed, the TNC platform profit, the number of TNC vehicles , and the platform, and accounts for the congestion externalities of the TNC vehicles.