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Cells Derived from the Nervous System or the (the APUD cells) or the Neurosecretory System)
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متن کاملThird-degree Price Discrimination
IN THE LITERATURE OF monopolistic third-degree price discrimination, it has been widely held that a change in aggregate Marshallian social welfare by price discrimination is negative if total output decreases. Among others, Schwartz [1990] verifies this conjecture for any total cost function that depends only on total output, not on its distribution among markets. Letting ∆X and ∆W denote a cha...
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European Journal of Information Systems (2010) 19, 1–4. doi:10.1057/ejis.2010.2 The concept of the Internet as a potential military battlefield is not particularly new. The Internet itself is rooted to the military notion of a bomb-proof defense network. Similarly, the feasibility of attacking information systems across this network was proven in the 1980s by the Morris Worm. This Internet worm...
متن کاملA Study on the Existence of Limit Cycles of a Planar System with Third-Degree Polynomials
The focus of the paper is mainly on the existence of limit cycles of a planar system with thirddegree polynomial functions. A previously developed perturbation technique for computing normal forms of differential equations is employed to calculate the focus values of the system near equilibrium points. Detailed studies have been provided for a number of cases with certain restrictions on system...
متن کاملA Note on Third-degree Price Discrimination
VARIAN [1985] AND SCHWARTZ [1990] PROVED THAT, very generally, monopolistic third-degree price discrimination decreases aggregate welfare if total output falls (a conjecture which dates back to the work of A. C. Pigou, [1920]). In particular, these authors adopted a representative consumer approach (by assuming quasi-linear preferences) and used revealed-preference arguments. En passant, their ...
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ژورنال
عنوان ژورنال: The ANNALS of the American Academy of Political and Social Science
سال: 1910
ISSN: 0002-7162,1552-3349
DOI: 10.1177/000271621003600102