Sample Questions
The equivalence principle (also called the net premium principle) requires that at the time of policy issue the EPV of the premium stream exactly equals the EPV of the benefit obligations: . This makes the expected profit at issue equal to zero โ no explicit loading for profit or expenses is built into the net premium.
Because the forces and are constant (age-independent), the prospective quantities and are the same at every age: and . Therefore: The reserve is identically zero at every policy duration under constant forces.
First compute the net single premium (NSP): The premium annuity . Net premium . Prospective reserve at duration 1: