This paper introduces a cooperative parallel metaheuristic for the capacitated vehicle routing problem. The proposed metaheuristic consists of multiple parallel tabu search threads that cooperate by asynchronously exchanging ...

This paper presents a parallel tabu search algorithm that utilizes several different neighborhood structures for solving the capacitated vehicle routing problem. Single neighborhood or neighborhood combinations are ...

Government reforms such as contracting-out continue to influence public service provision within infrastructure sectors. Contracting-out involves a detachment of the operators from political decision-making and the creation ...

The modeling of volatility and correlation is important in order to calculate hedge ratios, value at risk estimates, CAPM betas, derivate pricing and risk management in general. Recent access to intra-daily high-frequency ...

Purpose: There is strong interest in new supply chain management (SCM) constructs as contemporary academic writers call for more theory and more multidisciplinary research. There is, however, little guidance on how to ...

Rapporten ser på hvordan bompenger blir behandlet i planlegging av og i samfunnsøkonomiske analyser av vegprosjekter. Vi søker å belyse den empiriske balansen mellom innkrevingskostnader og avvisingstap ved bompengefinansiering ...

Et av hovedmålene i samhandlingsreformen har vært at kommuner i samarbeid med sykehus skal kunne tilby helhetlige og integrerte tjenester før og etter sykehusopphold, basert på sammenhengende pasientforløp. Kommuner og ...