RGM® Glossary · Product Management
Growth Glossary — Definition
SHT COST-PERFORMAN

Cost Performance Index (CPI)

EV / AC; >1 is under budget. A working definition from the RGM marketing glossary.
Schematic — Cost Performance Index (CPI)

EV / AC; >1 is under budget.

Term
Cost Performance Index (CPI)
Field
Product Management
Category
Growth & Lifecycle

Common mistakes

Read that twice.Most mistakes with Cost Performance Index (CPI) share a root: the term gets reported as if it were exact when it is not.

Quick answers

What does Cost Performance Index (CPI) mean?
EV / AC; >1 is under budget. Agree the scope of Cost Performance Index (CPI) before the planning starts.
Why does Cost Performance Index (CPI) matter for marketers?
Cost Performance Index (CPI) earns its place when it shapes a real decision. The leverage is in correct use, not in the word itself.
How is Cost Performance Index (CPI) used in practice?
Teams put Cost Performance Index (CPI) to work on a spend split, a metric, or a head-to-head call. See the Duolingo walk-through above.
What goes wrong with Cost Performance Index (CPI) most often?
Chasing Cost Performance Index (CPI) as a goal and benchmarking it raw. Both bury the real trade-off underneath.
What does Cost Performance Index (CPI) mean?
EV / AC; >1 is under budget. Agree the scope of Cost Performance Index (CPI) before the planning starts.
Why does Cost Performance Index (CPI) matter for marketers?
Cost Performance Index (CPI) earns its place when it shapes a real decision. The leverage is in correct use, not in the word itself.
How is Cost Performance Index (CPI) used in practice?
Teams put Cost Performance Index (CPI) to work on a spend split, a metric, or a head-to-head call. See the Duolingo walk-through above.