Babcock, Linda; Wang, Xianghong; Lowenstein, George - In: The Quarterly Journal of Economics 111 (1996) 1, pp. 1-19
The authors explore the role that choice of comparison groups plays in explaining impasse in teacher contract negotiations. They hypothesize that the negotiators select 'comparable' districts in a biased fashion such that teachers' salaries in districts that unions view as comparable are higher...