We have been stimulated by this exchange on both personal and intellectual levels. Intellectual pursuits have been subdivided by scholars with various interests. However, specialization is not in itself an evil, except when it constrains fruitful analysis of empirical issues that have real-world...

EDQ introduces a new format to the Forum section in this issue. Periodically an article is submitted to us that raises important policy or methodological issues that have generated sharp responses from external reviewers. We believe that the debate that has taken place between the authors and...