Keyfitz Momentum Factor Calculator
Evaluate the Keyfitz (1971) approximate population-growth momentum factor M = b e0 (1 - exp(-r mu)) / (r mu), the ratio by which a stable growing population would still grow after fertility instantly drops to replacement.
Description
Evaluate the Keyfitz (1971) approximate population-growth momentum factor M = b e0 (1 - exp(-r mu)) / (r mu), the ratio by which a stable growing population would still grow after fertility instantly drops to replacement.