Democracies around the world are making promises to the old at the expense of future generations. I interpret this as reflecting low altruism - a discount rate on children's utility greater than the world interest rate - and I examine the implications in a small open economy with overlapping...

We show that (i) dynamic inefficiency may be empirically relevant in a modified Diamond model with imperfect competition, (ii) if fiscal policy is used to avoid inefficiency and maintain an optimal capital intensity, the required debt ratio will be inversely related to the growth rate, and (iii)...