We would most likely expect to see cab drivers reduce their prices.
When Uber and Lyft join the ride-share market, there would be an increase in the supply of cab drivers. As a result, the supply curve for cab drivers would shift to the bright. This would increase equilibrium quantity and reduce equilibrium price.
Please find attached a curve that depicts an increase in supply. To learn more about supply, please check: https://brainly.com/question/14727864