OR application in Spain: a brief review

Article Abstract:

The history of operations research (OR) applications in Spain goes back to 1963 when a paper on steel production processes was presented to the Spanish Statistics and OR Society by E. Chacon and L. Yu. At present, OR activities are concentrated in universities which act as consultants to private firms. This led to the decline of OR groups within private firms during the 1980s. Nevertheless, Spanish OR activity continues to find applications in agriculture, food, ecology, energy, finance, government, transportation and manufacturing.

Operations research, Management science, Practice, Associations, Spain

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A statistical test for detecting influential observations in DEA

Article Abstract:

A statistical alternative approach to the problem of detecting influential observations in nonparametric deterministic Data Envelopment Analysis models is proposed. It is designed to classify those sample observations which appear as influential. The analyst will then have to check whether these observations are contaminated by data errors or not. Further, this method determines when efficiency changes owing to the presence of a given unit in the sample are statistically important.

Methods, Models, Analysis, Industrial efficiency, Economic efficiency, Data envelopment analysis, Nonparametric statistics

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Benefit sharing in holding situations

Article Abstract:

Storage sharing among agents where one agent holds the storage space is analyzed. Optimizing storage space and distributing gains are two of the issues discussed.

Netherlands, Corporate Profits, Management dynamics, Management, Profit, Profits, Company business management, Storage (Physical)

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