Single period, single product newsvendor model with random supply shock

Article Abstract:

In order to investigate the efficacy of the policies made by the industrial administration office (IAO) so as to keep the market order, an inventory model of one product with both genuine and counterfeit qualities has been proposed. It is believed that the new model may prove random examination as a way to limit the rate of counterfeit products on the market.

Inspection, Counterfeiting

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An algorithm based on discrete response regression models suitable to correct the bias of non-response in surveys with several capture tries

Article Abstract:

A mathematical model for estimating the individual non-response probabilities from a general perspective of discrete response regression models is presented. The study relates to sampling situation contemplating several tries or callbacks while conducting a survey for capturing individual data.

Spain, Surveys, Surveys (Studies), Discrete mathematics

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Quadratic cost flow and the conjugate gradient method

Article Abstract:

Conjugate gradient methods are described to solve the network quadratic programming problems.

Network analysis (Planning), Quadratic programming

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