This study reports the results and conclusions derived from a data analysis of urban household expenditure on housing in Indonesia. The urban households were stratified by income group, urban size and urban location; in these respects, this study is unique. Household expenditures on housing were...

Congestion and accidents are important components of the externalities created by road users in metropolitan areas. In the present paper, we investigate the relationship between these two components. Among the factors which influence the number of fatalities on highways are: speed, speed...