A Companion to Urban Economics provides a state-of-the-art overview of this field, communicating its intellectual richness through a diverse portfolio of authors and topics. Unique in both its rigor and international treatment. An ideal supplementary textbook in upper-level undergraduate urban...

In many fields of economics, and also in other disciplines, it is hard to justify the assumption that the random error terms in regression models are uncorrelated. It seems more plausible to assume that they are correlated within clusters, such as geographical areas or time periods, but...