<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...

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...