For people who live near a bus route,a metro station,or a commuter rail line,public transportation provides a substitute to driving their own cars.So,for these people,the cross-price elasticity of demand between petrol and public transportation is

Question

Quizplus · Accepted Answer

The cross-price elasticity of demand is positive when two goods are substitutes. If the price of petrol increases, people are more likely to use public transportation instead of driving, indicating a positive relationship.

For People Who Live near a Bus Route,a Metro Station,or