justified. We examine one of the main benefits of public transit, a reduction in car congestion externalities, the so … as number of car travelers suggesting that bicycling-promoting policies to reduce car congestion externalities might be …

This paper studies road safety and accident externalities when insurance companies have market power, and can influence … technology choice. While a private monopolist internalizes accident externalities up to the point where compensations to users … externalities that their customers impose upon one another. Therefore, non-optimal premiums as well as speed and technology control …