productivity by increasing the rate at which individuals acquire skills. One largely unexplored implication of this theory is that … productivity through a job search and matching process and, thus, that an important aspect of 'learning' in cities may involve …

study area. The principal components analysis of sense of security and crime victimization variables indicates that higher-income … households feel more secure from crime in the home, even though theft and robbery victimization rise with household income and … rent level. Higher levels of home protection measures by higher-income households partially explain this result. …