This article empirically tests for positive network effects in transit use by applying a spatial autoregressive logit mode choice model with 1997/98 work trip data from New York City. Positive network effects exist when people prefer to use transit together with other people as a result of...

As environmental concerns mount alongside increasing auto dependence, research has been devoted to understanding the number of automobiles households own. The 2000 US census public use micro sample is used to demonstrate the importance of preference formation in auto ownership by studying auto...