Computes
$$
\frac{dV}{dt}
=
P + \delta V - \mu(B - V).
$$
Usage
thiele_dVdt(V, P, delta, mu, benefit = 1)
Arguments
- V
Reserve at time `t`.
- P
Premium rate.
- delta
Force of interest.
- mu
Nonnegative force of mortality.
- benefit
Benefit amount.
Value
Numeric vector of reserve derivatives.
Examples
thiele_dVdt(
V = 900,
P = 25,
delta = 0.05,
mu = 0.002,
benefit = 1000
)
#> [1] 69.8