"In recent years donor countries have committed to dramatic increases in the supply of foreign aid to developing countries. Meeting and sustaining such commitments will require sufficient support among donor country voters and taxpayers. The determinants of public opinion in donor countries on...

This article compares maximum likelihood (ML) estimation to three variants of two-stage least squares (2SLS) estimation in structural equation models. The authors use models that are both correctly and incorrectly specified. Simulated data are used to assess bias, efficiency, and accuracy of...

In this article, the authors examine the most common type of improper solutions: zero or negative error variances. They address the causes of, consequences of, and strategies to handle these issues. Several hypotheses are evaluated using Monte Carlo simulation models, including two structural...