On the Diversification, Observability, and Measurement of Estimation Risk
Pete Clarkson, Rex Thompson, José Guedes
Journal of Financial and Quantitative Analysis, vol. 31, 1996, p. 69-84.

Tests of a Signaling Hypothesis: The Choice between Fixed and Adjustable-Rate Debt
José Guedes, Rex Thompson
Review of Financial Studies, vol. 8, 1995, p. 605-636.