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Article
Publication date: 1 April 1996

Belarmino Adenso‐Díaz

In stochastic inventory management, when calculating the safety stock necessary to ensure a service level, use of the partial expectation function, which is tabulated in the…

1169

Abstract

In stochastic inventory management, when calculating the safety stock necessary to ensure a service level, use of the partial expectation function, which is tabulated in the normal demand case, is popular. Using these values, it is possible to calculate the safety stock necessary for the average of the items not served by cycle to reach the desired level. Analyses the use of a conditional probability distribution to ascertain the safety stock necessary to guarantee, when stockout occurs, that the average of the number of items not available equals a predefined value.

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International Journal of Operations & Production Management, vol. 16 no. 4
Type: Research Article
ISSN: 0144-3577

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Article
Publication date: 1 December 1999

Belarmino Adenso‐Díaz and Fernando Gascón

In spite of the wide experience already developed in the field of internal logistics using radio frequency, many companies are wary of its implantation due to the fact that the…

1414

Abstract

In spite of the wide experience already developed in the field of internal logistics using radio frequency, many companies are wary of its implantation due to the fact that the benefits of this technology are not easily quantifiable in most cases. Develops a detailed discounted payback analysis of the cash flows associated with the implementation of radio frequency, presenting a table with the needed payback periods depending on the size of the warehouse.

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International Journal of Physical Distribution & Logistics Management, vol. 29 no. 10
Type: Research Article
ISSN: 0960-0035

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Article
Publication date: 1 October 2001

Pilar González Torre, Belarmino Adenso‐Díaz and Beatriz A. González

Nowadays, there are a growing number of companies that for a variety of reasons seek the ISO 9000 certificate in order to continue being competitive. This certification process…

646

Abstract

Nowadays, there are a growing number of companies that for a variety of reasons seek the ISO 9000 certificate in order to continue being competitive. This certification process provokes certain changes in company organisation which affect diverse functional areas. The article presents the results obtained from a study of a set of certified companies in a specific geographical area, and in which an attempt is made to test diverse hypotheses related to the influence of this process of certification with respect to human resources and the post‐certification process. The study was able to count upon the collaboration of more than 50 per cent of the certified companies under consideration.

Details

The TQM Magazine, vol. 13 no. 5
Type: Research Article
ISSN: 0954-478X

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Article
Publication date: 27 April 2012

Belarmino Adenso‐Diaz, Carlos Mena, Santiago García‐Carbajal and Merrill Liechty

As globalisation makes supply networks more complex, the risk of material disruptions increases. Many factors have been considered as affecting the reliability of supply networks…

3794

Abstract

Purpose

As globalisation makes supply networks more complex, the risk of material disruptions increases. Many factors have been considered as affecting the reliability of supply networks. However, no empirical research has been carried out to assess and evaluate the impact of each of these factors on the reliability of supply networks. This paper aims to address this issue.

Design/methodology/approach

A gap in the literature was identified around the evaluation of the impact of supply network design characteristics on reliability. This gap is addressed by performing a full factorial experimental design considering all the factors described in the literature, and then analysing (by using analysis of variance and linear regression models), thousands of theoretical and extreme structures of supply networks, thus allowing the analysis of the influence of each factor on the overall network resilience.

Findings

Results show that network density, node criticality and complexity are significant factors in reducing the reliability of supply networks. In particular, node complexity (i.e. the total number of nodes in the network) was found to have the strongest negative effect on network reliability, while the strongest positive factor was sources criticality (i.e. the level of redundancy of suppliers).

Practical implications

The identification of these factors and their relative impacts on network reliability can serve as a guide for the design of more reliable networks, and to know which are the most important to consider when designed distribution networks.

Originality/value

The paper identifies, from the literature, key factors affecting supply network reliability and evaluates their relative impact. Given the number of factors identified, an extensive Monte Carlo simulation is used for the first time, by considering simple and very complex networks, to allow the testing of the role of each factor in supply network reliability.

Details

Supply Chain Management: An International Journal, vol. 17 no. 3
Type: Research Article
ISSN: 1359-8546

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