17 October 2019

Célian Colon was invited to speak at the Complexity Science Hub

Célian Colon gave a talk on "Coupling transport and supply chains to analyze the impact of disasters – an application to the United Republic of Tanzania" at the Complexity Science Hub, Vienna, Austria on 17 October 2019.

© Onyxprj | Dreamstime.com

© Onyxprj | Dreamstime.com

Coupling transport and supply chains to analyze the impact of disasters – an application to the United Republic of Tanzania

The economy of the United Republic of Tanzania is growing fast but remains vulnerable to disasters. Its transport system, which mainly consist of roads, often get disrupted by floods, leading to large economic losses. How could its resilience be improved? We formulate a dynamic agent-based model which combines two approaches: network criticality analyses and economic input–output models. It simulates the impacts of transportation disruption on firms, and how these impacts propagate along supply chains and affect households. We found that losses nonlinearly increase with the duration of the initial disruption. Supply chains amplify disruptions for nonprimary products, such as processed food. Bottlenecks varies with supply chains. Some infrastructures are critical to some agents, say international buyers, but of little use to others. Resilience-enhancing strategies need to articulate supply-side—e.g., improving infrastructure quality—and demand-side measures—e.g., manage the need for transportation. This project was funded by The World Bank.


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Last edited: 21 October 2019

CONTACT DETAILS

Celian Colon

Research Scholar

Advanced Systems Analysis

T +43(0) 2236 807 598

PUBLICATIONS

Colon C, Brännström Å, Rovenskaya E, & Dieckmann U (2017). The fragmentation of production amplifies systemic risk in supply chains. In: IIASA Institutional Evaluation 2017, 27 February-1 March 2017, IIASA, Laxenburg, Austria.

Colon C, Brännström Å, Rovenskaya E, & Dieckmann U (2016). Systemic risks and cascading disruptions in complex supply chains. In: EEP Symposium, July 2016.

RESEARCH PARTNERS

International Institute for Applied Systems Analysis (IIASA)
Schlossplatz 1, A-2361 Laxenburg, Austria
Phone: (+43 2236) 807 0 Fax:(+43 2236) 71 313