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Markenführung in der Ernährungswirtschaft ; Brand Management in the Food Sector
Staack, Torsten - 2013
Persistent link: https://www.econbiz.de/10010353216
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The Price Shock Transmission during the 2007-2008 Commodity Bull Cycle: A Structural Vector Auto-Regression Approach to the "Chicken-or-Egg" Problem
Power, Gabriel J.; Vedenov, Dmitry V. - 2009
Commodity and energy prices have exhibited an unprecedented increase between October 2006 and July 2008, only to fall sharply during the last months of 2008. Many explanations have been offered to this phenomenon, including steadily increasing demand from China and India, large mandated...
Persistent link: https://www.econbiz.de/10009444738
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Robust Statistical Tests for Detecting the Effects of Interspecific Competition on Ecological Communities
Ladau, Joshua - 2005
For seventy years ecologists have debated to what extent competition affects the composition of ecological communities. At one extreme, species have been proposed to assemble independently of each other, while at the other extreme, competition and other interspecific interactions have been...
Persistent link: https://www.econbiz.de/10009466183
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A new hybrid method for bayesian network learning with dependency constraints
Schulte, Oliver; Frigo, Gustavo; Greiner, Russell; Luo, Wei - 2009
A Bayes net has qualitative and quantitative aspects: The qualitative aspect is its graphical structure that corresponds to correlations among the variables in the Bayes net. The quantitative aspects are the net parameters. This paper develops a hybrid criterion for learning Bayes net structures...
Persistent link: https://www.econbiz.de/10009448619
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Modeling the spread of disease through a population
Lauren A. Meyers (contributor) - 2009
As disease spreads through a population, scientists want to know who gets sick, how bestto prevent a large outbreak, and if an epidemic may occur. For many years, mathematicians usedmodels to approximate answers to these questions; however, these older models used simplifyingassumptions about...
Persistent link: https://www.econbiz.de/10009429368
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Autodetermination in Microeconomics
Müller, Olaf L. - 2005
My philosophical case study concerns textbook presentations of the theory of demand. Does this theory contain anything more than just a collection of tautologies? In order to determine its empirical content, it must be viewed holistically. But then, the theory implies false factual claims. We...
Persistent link: https://www.econbiz.de/10009467037
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Employing Travel Time to Compare the Value of Competing Cultural Organizations
Boter, Jaap; Rouwendal, Jan; Wedel, Michel - 2005
A number of studies have applied non-market valuation techniques to measure the value of cultural goods. Virtually all of these studies are single case applications and rely mostly on stated preferences, such as contingent valuation techniques. We compare the relative value of multiple,...
Persistent link: https://www.econbiz.de/10009477025
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Whose Money? Whose Time? A Nonparametric Approach to Modeling Time Spent on Housework
Gupta, Sanjiv; Ash, Michael - 2006
We argue that earlier quantitative research on the relationship between heterosexual partners’ earnings and time spent on housework has two basic flaws. First, it has focused on the effects of women’s shares of couples’ total earnings on their housework, and has not considered the simpler...
Persistent link: https://www.econbiz.de/10009467900
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Standortplanung für einen privaten Paketdienstleister
Lischak, Christoph - 2001
Standortproblem mathematisch exakt zu lösen. Stattdessen wurde eine speziell angepasste VRPB-Heuristik entwickelt und innerhalb des … werden konnte. Es wurde nachgewiesen, dass die Güte der von der Heuristik berechneten Standortauswahl die manuellen Planungen …
Persistent link: https://www.econbiz.de/10009467411
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Effiziente Lokale Suche für Vehicle Routing und Scheduling Probleme mit Ressourcenbeschränkungen
Funke, Birger - 2003
der Nachbarschaften in eine Meta-Heuristik ist die zugrundeliegende Intention der Untersuchungen, steht aber nicht selbst … gibt zu der Vermutung Anlaß, daß durch eine adäquate Integration der Nachbarschaften in eine Meta-Heuristik leistungsfähige …The development of efficient heuristics for Vehicle Routing and Scheduling Problems has been the subject of many …
Persistent link: https://www.econbiz.de/10009467424