This paper presents new models for simultaneous relationships among endogenous categorical variables. Previous investigators have argued that the loglinear/logit framework is insufficiently rich for ...

American Journal of Agricultural Economics, Vol. 53, No. 1 (Feb., 1971), pp. 63-70 (8 pages) The simultaneous-equation approach is used to formulate a positive spatial equilibrium model consisting of ...

Simultaneous equations are two linear equations that can be solved using bar models. By remembering that the same letter will always have the same value we can work out the missing values. To solve ...

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.