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Yield spreads on commercial mortgage-backed securities (CMBS) declined dramatically from 1992 until 1997, then increased each of the next two years. The relationship between CMBS yield spreads and other economic variables is estimated in an effort to determine the extent to which recent trends can be explained by other variables. The results indicate that(More)
Various bacteria, actinomycetes, and filamentous fungi decomposed methionine, but only certain aerobic bacteria isolated from soil decomposed it in the absence of other organic substrates. These bacteria could grow on methionine as the only organic substrate and source of nitrogen and sulfur. Methionine was first deaminated and then demethiolated with(More)
Bowles, Jean A. (University of Colorado School of Medicine, Denver), and William Segal. Kinetics of utilization of organic compounds in the growth of Mycobacterium tuberculosis. J. Bacteriol. 90:157-163. 1965.-To obtain a workable system for a study of the kinetics of nutrient utilization (based on specific quantitative assay) by Mycobacterium tuberculosis,(More)
A model of a monopolistic (GSE-dominated) market for mortgages is constructed in which the GSE employs a proprietary credit evaluation technology to produce a precise estimate of mortgage loan credit quality. When the private value of the information underlying the screening technology is sufficiently high, the GSE introduces noise in order to block(More)