The market fare is also affected by the number of cabs - if the number of cabs available significantly exceeds the demand for cabs, the market fare will fall.

The market fare is also affected by the number of cabs - if the number of cabs available significantly exceeds the demand for cabs, the market fare will fall. This means that each additional cab on the road is a double-whammy against the profitability of all cabs - it reduces the market fare and it increases the average idle time.