Introduction
The defined benefit (DB) pension plans governments use across the United States rely on combining contributions from members and the state with long-term investment returns. This is because they are intended to be prefunded, which ensures that retiree pension expenses are covered fully in the long run. Prefunding benefits this way allows more benefit payments to flow out of the plan than contributions are flowing in without compromising the integrity or solvency of the system.
Analyzing a public pension system’s cash flow—the rates at which money is entering and leaving the fund—is one way to anticipate imbalances in pension
