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Research Repository

This collection brings together work based on the Millennium Institute's models: the iSD model and its predecessor, Threshold 21 (T21). It includes reports and papers by the Millennium Institute and its partners, as well as research by universities, institutions and independent researchers who have applied these models in their own work.​

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The collection spans three decades of work, from the first T21 applications in the 1990s to current analyses of the Sustainable Development Goals, climate policy and green transitions in more than 40 countries. Use the filters to browse by type, country or region, focus area and year.

Journal Article

A Blend of Planning and Learning: Simplifying a Simulation Model of National Development

The BLEND game, based on a simplified T21 model, aims to enhance understanding of simulation-based decision support among policy makers in sub-Saharan Africa, using system dynamics to explore complex policy scenarios.

2010

Sub-Saharan Africa

Education, Economy

Journal Article

A Context-Inclusive Approach to Support Energy Policy Formulation and Evaluation

Investigating different contexts in energy policy, this paper proposes a holistic framework incorporating social, economic, and environmental factors to better understand and evaluate long-term energy policy impacts globally.

2010

Global

Energy, Environmental Policy

Journal Article

Quantifying Cross-Sectoral Impacts of Investments in Climate Change Mitigation in Ecuador

Uses a T21 model for Ecuador to quantify the cross-sectoral impacts of climate mitigation investments.

2009

Ecuador

Climate Change, Energy

Journal Article

An Integrated Approach to Support Climate Policy Formulation and Evaluation

Evaluating the need for contextualizing energy policies, this study emphasizes integrated tools for comprehensively addressing energy transition and climate change challenges, aligning dynamic thinking with policy formulation.

2009

Global

Energy, Climate Change

Journal Article

Creating Synergies from Renewable Energy Investments, a Community Success Story from Lolland, Denmark

Lolland’s Community Testing Facilities approach to renewable energy projects demonstrates successful local development, economic growth, and environmental benefits, serving as a model for similar remote communities worldwide.

2009

Denmark

Energy, Sustainable Development, Economy

Conference Paper

A System Dynamics Model of the Mauritian Power Sector

This paper builds a first system dynamics model of Mauritius' power sector based on T21, reproducing electricity demand and supply from 1997 to 2006 as a basis for national energy policy analysis.

2009

Mauritius

Energy, Policy Analysis

Filters

Categories
1995
1996.1
1997.2
1998.3
1999.4
2000.5
2001.6
2002.7
2003.8
2004.9
2006
2007.1
2008.2
2009.3
2010.4
2011.5
2012.6
2013.7
2014.8
2015.9
2017
2018.1
2019.2
2020.3
2021.4
2022.5
2023.6
2024.7
2025.8
2026
Authorship
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