Douglas as editor.

Proportional Response as Iterated Cobb-Douglas

We show that the proportional response algorithm for computing an economic equilibrium in a Fisher market model can be interpreted as iteratively approximating the economy by one with Cobb-Douglas utilities, for which a closed-form equilibrium can be obtained. We also extend the method to allow elasticities of substitution at most one.

Generalized Douglas-Weyl Finsler Metrics

In this paper, we study generalized Douglas-Weyl Finsler metrics. We find some conditions under which the class of generalized Douglas-Weyl (&alpha, &beta)-metric with vanishing S-curvature reduce to the class of Berwald metrics.

Splines as Local Smoothers 1 by Douglas Nychka

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David Simpson steps down as News Editor.

Coming on the heels of the publication of Tobacco Control’s Twentieth Anniversary issue (vol. 21, issue 2) comes another landmark: David Simpson is stepping down from his longtime position as editor for the journal’s News Analysis section, which he has held since shortly after the journal’s founding in 1992. Mr Simpson’s contributions to tobacco control are legion. Many across the globe, includ...

Editorial Douglas