In cross-spectral analysis, the tau statistic is used to infer lead-lag relationships between series in the time domain. Unfortunately, it is frequently inferred that tau is meaningful only when the phase diagram is linear. In this paper it is shown that tau is far more robust than is generally...

Stresses the importance of professional service provider selection and the potentially disastrous financial penalty for error made by a client organization. Identifies problems with previous studies relating to this selection process and offers suggestions for improving future research. Provides...

Examines the responses of national account decision makers to open‐ended questions asking for their views on what salespeople need to do to build relationships, and categorizes the results. Eight categories of responses were found. These categories address a number of salesperson behaviors and...