Return On Investment: Sin? Savior? Both? Neither?

Led by Anna Williams

When is ROI appropriate? Make assumptions explicit, define return in specific quantifiable terms, time-frame, risk is over simplification. Look at net outcome, and how static is your return. Short time cycles seem to work better for ROI. Energy efficiency and renewable energy sources.

What are the alternatives to ROI? Habitat Equivalency Analysis, Cost Utility Index, etc.