RUBICS

Random Uncertainty Benefit / Cost Simulator

RUBICS is a free open-source program for undertaking Monte Carlo Cost-Benefit Analysis, enabling economists to explore how uncertainty across multiple dimensions impacts their results and advice.

Uncertainty Everywhere All At Once

Apply uncertainty to multiple assumptions within your analysis, including discount rates, prices, and quantities. Uncertainty factors can even be correlated within groups for sophisticated modelling.

Develop Probabilistic Event Models

Trigger certain outcomes in your CBA only when specific events occur. Build complex models with event-outcome dependency chains. Don’t let high-cost low-probability events surprise you again.

Reproducible, Verifiable Assumptions

Settings can be exported in human/machine readable .json files, enabling easy QC and peer review of the actual CBA without divulging sensitive data or IP held in workbooks.

Distribute and Conquer

Assign your stakeholders across different geographic zones to your CBA line-items, and obtain weighted or unweighted breakdowns of your results for different aggregations at the click of a button.

One Template to Rule Them All

Develop a CBA template following an agreed methodology that can be applied to multiple analyses, ensuring that results are comparable, and scale is not a barrier to using Monte Carlo tools.

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