Compute the marginal propensity to consume (MPC) — the change in consumption per unit change in income.
输入消费增量 ΔC 与收入增量 ΔY,求 MPC。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Marginal propensity to consume (MPC) | MPC = ΔC / ΔY, with 0 ≤ MPC ≤ 1 | Keynesian consumption function (1936, The General Theory) |