منابع مشابه
James R. Anderson Lecture: "Why Things Are Where They Are"
Have you ever wondered why things are where they are? Most people probably don’t think about this question much. Through life’s experiences we learned that certain things can be expected to be where they are relative to other things. Schools are near residential neighborhoods. Doctor’s offices are near hospitals. Unless something calls attention to it, you probably don’t think about why somethi...
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This paper provides striking confirmation of the restrictions of the structural gravity model of trade. Structural forces predicted by theory explain 95% of the variation of the fixed effects used to control for them in the recent gravity literature, fixed effects that in principle could reflect other forces. This validation opens avenues to inferring unobserved sectoral activity and multilater...
متن کاملMcilroy and Drummond: Reconstruction from Affine Silhouettes
A method for recovering structure and motion from a set of scaled orthographic silhouette views with unconstrained camera motion is presented. The outer epipolar tangencies between six or more views are used simultaneously to recover the relative pose of the cameras and hence the visual hull of the object. The camera representation proposed permits a closed form solution in the optimization of ...
متن کاملJames
a chair, he was the very picture of dejection. His small head was hanging, an obstreperous tuft of the coarse, sandy hair standing defiantly upright on the crown of it; his complexion was sallow and pasty, and not in any way enhanced by a sparse scattering of tiny yellow freckles, plainly visible at close view; his generous mouth drooped, like his head, the lips pale, but firmly closed. In his ...
متن کاملGlen D . Anderson , James J . Opaluch and W . Michael Sullivan , Agricultural Pollution : Pesticide Contamination of Groundwater “ Nonpoint
This paper presents a unique application of the household production approach to valuing public goods and nonmarket commodities. Technical relationships are estimated between health attributes, private goods that affect health, and air quality using panel data drawn from a special survey. Statistical tests suggest that individuals equate marginal rates of technical substitution in household pro...
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ژورنال
عنوان ژورنال: Journal of the Royal Asiatic Society of Great Britain & Ireland
سال: 1921
ISSN: 0035-869X,2051-2066
DOI: 10.1017/s0035869x00063048