Despite ongoing concern about substance use during adolescence, very little is known about alcohol and drug use among teens living in affluent social settings. In this longitudinal study, cluster analysis was used to characterize patterns of substance use and change in other dimensions of psychosocial adjustment within a cohort of 292 high school students (54% girls) living in an affluent, subu...

In the textbook conception of economics, consumers use prices to determine the bundle of purchases that maximize their utility subject to the constraint that the total value of these purchases cannot exceed their income. In this paper, I consider the implications of letting consumers have somewhat different reactions to prices. First, I allow consumers to be unsophisticated when they use price ...

An identification problem with no a priori separation of the variables into inputs and outputs and representation invariant approximation criterion is considered. The model class consists of linear time-invariant systems of bounded complexity and the approximation criterion is the minimum of a weighted 2-norm distance between the given time series and a time series that is consistent with the m...

Sara L. Eggers is a graduate student (e-mail: [email protected]), and Baruch Fischhoff is Professor of Social and Decision Sciences (e-mail: [email protected]), Department of Engineering and Public Policy, Carnegie Mellon University. This research was partially supported by the National Science Foundation (SBR95-9521914). The authors thank Elizabeth Casman, Julie Downs, Paul Fischbeck, Theresa Mu...