Showing 1 - 10 of 27
We describe hybrid manufacturing/remanufacturing systems with a long lead time for manufacturing and a short lead time for remanufacturing. We review the classes of inventory strategies for hybrid systems in the literature. These are all based on equal lead times. For systems with slow...
Persistent link: https://www.econbiz.de/10010730992
In this paper, we discuss an approximation method based on G/G/m queuing network modeling using Whitt’s (1983) queuing network analyzer to analyze pick-and-pass order picking systems. The objective of this approximation method is to provide an instrument for obtaining rapid performance...
Persistent link: https://www.econbiz.de/10010730989
Due to a rapid growth in world trade and a huge increase in containerized goods, sea container terminals play a vital role in globe-spanning supply chains. Container terminals should be able to handle large ships, with large call sizes within the shortest time possible, and at competitive rates....
Persistent link: https://www.econbiz.de/10010891694
In recent years, cities have become increasingly interested in their ability to generate, attract and retain human capital. One measure of human capital is employment in science- and engineering-based occupations. This paper provides a comparison of the employment shares of these specialized...
Persistent link: https://www.econbiz.de/10005523645
Ces dernieres annees, les villes ont accorde un interet croissant a leur capacite de generer, d'attirer et de retenir leur capital humain. Une mesure de ce capital est l'emploi dans les professions liees aux sciences et au genie. Nous comparons la part de l'emploi attribuable a ces professions...
Persistent link: https://www.econbiz.de/10005321972
Le present article donne la comparaison de la taille et de la composition de l'emploi dans le secteur des sciences et du genie au Canada et aux Etats Unis. Nous examinons la part de l'emploi remunere et des gains tires d'un emploi remunere imputables a la main d'oeuvre en sciences et en genie...
Persistent link: https://www.econbiz.de/10005695452
This paper compares the size and composition of science and engineering employment in Canada and the United States. It examines the share of paid employment and paid earnings accounted for by the science and engineering workforce in both countries. Our tabulations distinguish between a core...
Persistent link: https://www.econbiz.de/10005695632
Les economistes du travail ont elabore des modeles theoriques complexes et mene des analyses econometriques tres avancees pour analyser le processus de prise de decisions par les menages. Toutefois, a cet accent mis sur l'element offre du marche du travail n'ont pas correspondu des analyses...
Persistent link: https://www.econbiz.de/10005523596
Des changements fondamentaux ont pris place dans le marche du travail et au sein des entreprises au cours des annees 1980 et 1990. Dans certains cas, on comprend ce qui s'est produit, sans toutefois en connaitre les causes. Dans d'autres cas, on ne dispose pas des donnees qui permettraient de...
Persistent link: https://www.econbiz.de/10005129516
Controlling for observable worker attributes, we find that computer use is associated with a wage premium of at most 14%. Following Dinardo and Pischke (1997), we examine the wage premium associated with other tools used on the job. While these authors find a significant wage premium for the use...
Persistent link: https://www.econbiz.de/10005170067