We have already mentioned the chief limitation of this study, which is the presence of the University of Colorado in one of Boulder’s ZIP codes. We also note the use of secondary data as a limitation, especially as these data do not permit reporting or testing of null hypotheses. As the restaurant failure data obtained from the Health Department of Boulder were combined with aggregated Census data, each restaurant in a given ZIP code received the same value from the census data. Hence, it was, for example, not possible to compute an “SSE (within sum of squares)” for an analysis of variance (ANOVA) test. Due to this unfortunate limitation, the analysis was restricted to observations. Similarly, from the current data, it was not possible to differentiate between various restaurant segments from a marketing perspective, or to test the potential skew from the proportion of college students in the town of Boulder.