Much recent research has examined the differences between goods and services, but less empirical work has been done investigating differences among services. In this paper, we focus solely on services: through the use of multidimensional scaling, subjects' perceptions are used to infer...

Interpersonal relationships are an important and integral part of numerous social science research agendas. Analytical tools have been created in the last 10 years that model dyadic interactions. In particular, this article focuses on the dyadic models of Fienberg and Wasserman [Fienberg, S.E.,...