Dr. Debra Roberts - MILE

2Adaptation: 2• The Benefit Cost Ratio (BCR): does not rely on financial or economic measures(such as GDP growth) – benefit is determined by the number of people reachedand the impact on their well-being.• Socio-institutional interventions tend to provide the greatest economic efficiency,followed by ecosystem-based and lastly infrastructural interventions.consistentlyprovide the best BCRs across all four futures in the short, medium and long term.