In this paper we examine a range of issues related to the analysis of health surveillance data when it is spatially-referenced. The importance of considering alarm functions derived from likelihood or Bayesian models is stressed. In addition, we focus on some new developments in predictive...

<title>Abstract</title> This article explores the homology between states of affect as represented in literary texts by Emerson, Poe, and Alcott, and the stages of the business cycle of 1832--1842. It argues that recurrent cycles of mania, panic, and depression served to habituate Americans to the business...

This paper investigates the relationship between market potential and the spatial variation in the number and the average size of firms. We adapt the canonical model of the New Economic Geography to demonstrate this relationship and to derive an empirical specification suitable for estimation...