Applications of multilevel models to continuous outcomes nearly always assume constant residual variance and constant random effects variances and covariances. However, modeling heterogeneity of variance can prove a useful indicator of model misspecification, and in some educational and...

In the Winter 1987 edition of AHV, Luther Tweeten characterized the farm sector as personality. In that article, Tweeten addressed the dark side of that personality as it has been manifested through recent farm protest. This is a rejoinder. Its intent is to look more deeply at the farm...

Bovine Growth Hormone has been beset by controversy since before its public introduction. The reasons for this are numerous but all rooted in the economic and policy uncertainty surrounding a transitional agriculture. The major sources of the controversy are outlined in this paper as the author...

Two major episodes of farm protest have occurred in the past decade. In each case, protesting farmers have chosen to create new farm organizations rather than express their grievances through one of many existing farm interest groups. The result has been the development of a durable grassroots...