The present paper considers a retiree of a certain age with an initial endowment of investable wealth facing the following alternative investment opportunities. One possibility is to buy a single premium immediate annuity-contract. This insurance contract pays a life-long constant pension...

For practitioners, the Cost-Average phenomenon is part of the basic knowledge concerning investment theory. The core effect lies within the possibility to achieve in average a lower acquisition cost compared to the average price of the stock or investment fund. With the regu-lar investment of...