Blog Archives

Posts inspired by whatever else I find interesting

Robustness, flexibility and resilience

In a previous post I discussed the issue of Flexibility and robustness to reduce risk and uncertainty. Since then a new term has emerged: resilience, and today I will take a look at that.

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Why risk is the buzzword in supply chain management

What is supply chain risk? Today I will take a closer look at the chapter titled “Managing risk in the supply chain” in Logistics & Supply Chain Management by Christopher Martin.

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Supply chains compete, not companies

Martin Christopher’s particular research interests lie at the interface between marketing and logistics reflecting his belief that these two critical activities underpin superior supply chain performance.

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Three steps to make your supply chain less vulnerable

To make the supply chain more resilient, businesses need to do more than just think about the problem; they must prepare to act effectively, and find the optimal tradeoff between disruption costs and mitigation costs.

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International Supply Chain Risk Management

The International Supply Chain Risk Management Network (ISCRIM) is a network of academics interested in how to handle different types of risks in the supply chain. The main purpose of the ISCRIM-network is to speed up, and improve, the research within “Supply Chain Risk Management”.

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International Conference on Flexible Supply Chains in a Global Economy

Since this conference is held right at my doorstep I thought I should promote it, especially since my research topic Uncertainty and Disruption in the Supply Chain is one of the topics that is covered.

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Do you know where your truck fleet is right now? No? You should.

GPS technology, such as the GPS Insight vehicle tracking system, can not only pinpoint any vehicle’s exact location, it can also transfer a wealth of detailed information about each vehicle.

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Oslo airport shut-down…lessons learned?

The airline industry is a highly competitive market and even established airlines like SAS have been forced to give in low-cost carriers and reduce their own prices. But slashing ticket prices often causes slashing service too, in order to keep expenses down. However, the long-term costs of loosing passenger loyalty compared to the short-term costs of dealing with an emergency cannot be underestimated.

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Why we need to think the unthinkable

To think the unthinkable, to plan for the unthinkable is maybe not what is most on people’s mind and more often than not, it is only after a crisis that our thinking shifts. Then however, it may be too late.

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Supply Chain Management – Emergency Management

Readiness, Response and Recovery are four key elements in the New Zealand Civil Defence Emergency Management Act 2002. But how can this be related to supply chain management?

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Impact assessment of road transportation projects

The strength of the Norwegian impact assesment method is how non-monetizable impacts are handled and integrated with the framework of the impact assessment. The significance of the various impacts is then assessed by combining the value and the magnitude of impact on five criteria: landscape/cityscape, community life and outdoor recreation, cultural heritage, natural environment and natural resources.

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The Swedish Road Network – Vulnerable or not?

The increase in generalised travel costs weighted by the satisfied or unsatisfied demand when network links are closed is used as a measure of vulnerability for a case study in Northern Sweden, and applied to the terms of importance and exposure.

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Is Your Supply Chain Vulnerable?

Supply chain vulnerability is an important business issue, but little research has been undertaken into supply chain vulnerabilities. Recently I came across a report on Supply Chain Vulnerability published as early as 2002 by the Cranfield University.

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How to disrupt a supply chain

A typical supply chain consists of a company with incoming raw materials from an upstream supplier and outgoing products to a downstream customer.
A supply chain is characterized by its locational and organizational design.
There are many potential disruptions to a supply chain.
The potential disruptions may or may not influence locational decisions.
The impact and severity of disruptions depends on both locational vulnerability and organizational adaptability.

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Cost-Benefit Analysis – an essay about valuation problems

Reliability and vulnerability are important elements in ensuring a smooth 24/7 operation of transportation networks, road networks in particular, and cost-benefit analyses of transportation projects should take this into account. One way of doing this is to say that investments in improved reliability constitute a cost and thereby saved disruption costs constitute a benefit.

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Flexibility and robustness as options to reduce risk and uncertainty

This paper will first present the main risks that are facing any company. Then, the available options to reduce these risks will be considered. Finally, in relation to these risks, flexibility and robustness will be introduced as a tool to handle uncertainties (risks).

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ArcView Network Analyst Tutorial

This tutorial was developed by Jan Husdal at the University of Utah, Salt Lake City, 2000-2002. It shows how to solve 3 categories of network analysis problems; Find Best Route, Find Closest Facility and Find Service Area, and it comes complete with exercise data and solutions.

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Pålitelighet og sårbarhet av transportsystemer

Transportsystemer som veg og jernbane danner ryggraden i et moderne samfunn. Påliteligheten og sårbarheten i et transportsystem blir dermed avgjørende faktorer ikke bare i konkurranse- og markedsøyemed, men også i beredskapssammenheng, for å kunne opprettholde normal samfunnsdrift.

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The reliability and vulnerability of transportation lifelines

Transportation networks like freeways and interstate highways are the main backbone of modern society. Consequently, the reliability or vulnerability of any transportation network is thus a decisive factor not only in terms of market outreach and competition, but also in terms of continuity, to ensure a 24/7 operation of the community we live in.

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JavalancheTM – analyzing hazards to roads

Traditionally, in studying the effect of hazards on roads, a hazard map is prepared based on the hazard in question, the contributing factors and then overlaid with a road map. If the road or a buffer around its vicinity intersects hazard areas, these areas constitute a potential threat. In the approach used in this procedure, imagine traveling along the road and looking to either side for hazards.

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ARTICLES and PAPERS
Estimation of disruption risk
How to estimate the disruption risk exposure in a supply chain? That is the question asked by Ulf Pa[...]
Not all risk is risk
How to define, understand and describe risk
I had planned to post this yesterday, when I was taken by surprise by the most severe supply chain a[...]
BOOKS and BOOK CHAPTERS
Risk and vulnerability in maritime supply chains
This week's focus are risks in the maritime supply chain. Today's article reflects on security in ma[...]
Book Review: Managing Risk and Resilience in the Supply Chain
This book is a gem. To me. Where Helen Peck in her article Reconciling supply chain vulnerability, r[...]
REPORTS and WHITEPAPERS
Global Risks 2012
Are economic imbalances and social inequality risk reversing the gains of globalization? Should we s[...]
Global Resilience Index
The 2015 FM Global Resilience Index provides an annual ranking of 130 countries and territories acco[...]
from HERE and THERE
Robustness, flexibility and resilience
In a previous paper, back in 2004, I discussed the issue of Flexibility and robustness as options to[...]
Oslo airport shut-down...lessons learned?
Two days ago, Norway's major airport, Oslo Gardermoen (OSL) practically shut down due to weather con[...]