A GUIDE TO THE PITFALLS OF IDENTIFYING PRICE DISCRIMINATION

This paper demonstrates that plausible cost-based explanations exist for what are commonly perceived to be cases of price discrimination. We explain such commonly discussed problems as the price spreads of retail gasoline products, the "high" price of dinners at restaurants, the "high" price of popcorn at movie theaters, and the fact that airline ticket prices vary with how long the ticket is purchased before the flight's departure. Our explanations benefit from not relying on consumer ignorance or implicit collusion among numerous sellers.     

Facial expression in the presence of friends and strangers

This study investigated the effect of the physical presence of a friend or of a stranger on facial expressiveness. Pairs of friends and pairs of strangers (all women) were unobtrusively videotaped while they viewed together a number of emotional stimulus slides, and rated their individual emotional responses to them. Judges subsequently attempted to identify from the videotapes the emotions reported by each sender subject. Generally, expressions were more readily identified for women videotaped with friends than for those recorded with strangers. These results support the suggestion that the degree to which emotions are expressed depends on the role of an accompanying person. Altemative interpretations of this view are discussed.We thank Alan Fridlund and an anonymous reviewer for comments on a previous version of this paper.     

Managers as knowledge generators: The nature of practitioner‐scholar research in the nonprofit sector

As nonprofit management education develops, it has the opportunity to consider new premises concerning managers' roles. In the design and practice of traditional management education, managers are assumed to be the ultimate users of knowledge. Less attention is given to educating managers to be knowledge generators who combine intimate understanding of issues, problems, and settings with established theory and methods. Based on a discussion of three research projects undertaken in nonprofit settings by participants in a doctoral program for advanced practitioners at the Weatherhead School of Management at Case Western Reserve University, we describe seven dimensions of practitioner‐scholar inquiry. The pattern of practitioner‐scholar research that emerges from these research projects is contrasted with two other modes of knowledge production. Implications for practitioner‐scholar inquiry and for the education of practitioner‐scholars in the nonprofit sector are discussed.     

Machismo: Manifestations of a cultural value in the Latin American casino

Casino operations were observed in twelve Latin American countries. Owners, managers, employees, players, and government regulators in each of these countries were interviewed. The concept of machismo is described in its historical and cultural context. It is then used to illuminate casino operations and the mode of play in existence in these casinos.Research activities for this paper were supported by grants from the First Interstate Bank of Las Vegas, Nevada, through the Center for Business Leadership at the University of Nevada, Las Vegas, and from Tottenham and Associates, Gaming Consultants, London, England.     

Exposure Assessment: Then, Now, and Quantum Leaps in the Future

Health risk assessments have become so widely accepted in the United States that their conclusions are a major factor in many environmental decisions. Although the risk assessment paradigm is 10 years old, the basic risk assessment process has been used by certain regulatory agencies for nearly 40 years. Each of the four components of the paradigm has undergone significant refinements, particularly during the last 5 years. A recent step in the development of the exposure assessment component can be found in the 1992 EPA Guidelines for Exposure Assessment. Rather than assuming worst-case or hypothetical maximum exposures, these guidelines are designed to lead to an accurate characterization, making use of a number of scientific advances. Many exposure parameters have become better defined, and more sensitive techniques now exist for measuring concentrations of contaminants in the environnment. Statistical procedures for characterizing variability, using Monte Carlo or similar approaches, eliminate the need to select point estimates for all individual exposure parameters. These probabilistic models can more accurately characterize the full range of exposures that may potentially be encountered by a given population at a particular site, reducing the need to select highly conservative values to account for this form of uncertainty in the exposure estimate. Lastly, our awareness of the uncertainties in the exposure assessment as well as our knowledge as to how best to characterize them will almost certainly provide evaluations that will be more credible and, therein, more useful to risk managers. If these refinements are incorporated into future exposure assessments, it is likely that our resources will be devoted to problems that, when resolved, will yield the largest improvement in public health.     

Vocal signs of confidence

This study examined whether two paralinguistic variables, vocal loudness and response latency, were associated with confidence in answers to trivia questions. Audience presence and size were manipulated and subjects' assertiveness was measured. Subjects verbally responded to trivia questions by indicating their choice and how confident they were in each answer. Tapes of these responses were later analyzed for latency of response and loudness of speech. As expected, the more confident individuals were in their answers, the faster and louder they responded. Assertive subjects spoke louder. The presence of an audience had no effects on vocal responding. Apparently, the confidence of a speaker can be inferred from the speed and loudness of the speaker's responses.This study was a Master's thesis project conducted by the second author under the supervision of the first author.     

Criteria families use to select nursing homes

The study is conducted to determine families' rankings of characteristics they consider most important when selecting a nursing home. Friedman's two-way analysis of variance is used to test for differences in the rankings. In response to a mailed survey, 231 families rank the characteristics in the following order: quality of care, appearance, atmosphere, location, reputation, building safety, quality of food, cost, and activities. Relationships are also found between the rankings and the demographic characteristics: gender, marital status, education, income, number of homes available, patient/respondent relationship, and distance respondent lived from the chosen home.