Computes
$$a_{x:\overline{n}|} = \sum_{t=1}^n v^t \, {}_tp_x^{(\mathrm{improved})}$$
using projected mortality rates.
Usage
axn_improved(x0, n, i, qx_base_vec, AAx_vec, base_year, issue_year)
Arguments
- x0
Issue age.
- n
Term in years.
- i
Effective annual interest rate.
- qx_base_vec
Base-year one-year death probabilities for ages
x0, x0+1, ..., x0+n-1.
- AAx_vec
Mortality improvement factors for ages
x0, x0+1, ..., x0+n-1.
- base_year
Base year.
- issue_year
Issue year.