Modeling Methods

This page contains a collection of modeling techniques on different subjects that are available online. In addition to these sources, also see the Quantitative Modeling section on the “Scenario Toolkit” page on this site.

Systems Thinking and Causal Loop Diagrams

System Dynamics Methods: A Quick Introduction, including instructions on causal loop diagrams

Guidelines for Drawing Causal Loop Diagrams on The Systems Thinker site

Catalogue of “archetypal” causal loop structures at the systems-thinking.org site

Specific Models and Topics

The GAMS Model Library at the site for the GAMS modeling system

The IPAT-S case studies at the site for the IPAT-S scenario scripting language

The documentation at Barry Hughes’ International Futures (IFs) site

Industrial Pollution Modeling & Data at the World Bank’s New Ideas in Pollution Regulation (NIPR)

IPCC Guidelines for Greenhouse Gas Inventories

Global Fibre Supply Model

IWMI’s World Water Demand and Supply, 1990 to 2025: Scenarios and Issues