The American Economist, Vol. 42, No. 1 (Spring, 1998), pp. 42-55 (14 pages) This paper investigates rivalry in R&D expenditures for firms within the U. S. Automobile industry. It attempts to falsify ...
An estimation procedure is presented that may be used to simultaneously estimate the parameters in a multiple equation regression model. The regression models considered are shown to arise from ...
X-ray crystallography is by far the most widely used method to determine atomic-resolution structures of biopolymers but is limited to samples that form well-ordered, three-dimensional crystals.
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