Missing data is a prevalent problem in data analysis. In the present dissertation I investigated the performance of multiple imputation (MI) techniques using a real data set as well as through a Monte Carlo study in the context of a Cox regression model. For the Monte Carlo study, I compare the...

We examine how socioeconomic status of white, black, Hispanic, and Asian adolescents affects their likelihood of dating across racial lines and the racial characteristics of their romantic partners. Copyright (c) 2007 Southwestern Social Science Association.

Recent debate on dummy auction bidding tends to be grounded in ethical terms.This paper surveys the various moral theories that have been applied to pricingand property in the Western tradition as well as insights from non-Westerncultures.Property price is linked to both the institution of...

A natural disaster is a major adverse event resulting from the earth’s natural forces. We can now take advantage of information technology (IT) devices to make migration decisions and hazard analysis. The range of IT applications is very wide, and could include robot manufacturing, remote...

This paper investigates the origins of the collinearity problems encountered in the two-step estimation method for sample selection models. The analysis reveals several critical misconceptions and deficiencies in the literature. Remedies to the collinearity problems are proposed and evaluated.