ìA poor Roxbury mother taking mass transit at rush hour pays 80 percent of her costs for a few miles in the inner city. A stockbroker driving his BMW to the suburbs at that peak of congestion pays only 20 percentî (Kay, 1997, p. 117).
ìA poor Roxbury mother taking mass transit at rush hour pays 80percent of her costs for a few miles in the inner city. A stockbroker driving his BMW tothe suburbs at that peak of congestion pays only 20 percentî (Kay, 1997, p. 117).