To borrow a saying often attributed to Yogi Berra, “It’s tough to make predictions, especially about the future.” Whenever people make estimates about liabilities for long- term expenses, such as pension and retiree health payments, they’re making predictions about the future. The problem is that predictions are based on the present, and the present is always changing.
The U.S. Postal Service is about the best in the world at providing its core service of mail delivery. In fact, its ability to deliver mail and return undeliverable mail to the sender effectively makes the United States government one of the most efficient in the world, according to a working paper by National Bureau of Economic Research.