Power & Market
Paul Waldman tries to defend the US Postal Services in this Twitter rant, but all he does is show the need for better economics education. He lists a bunch of things the post office does and deems it a "fricking marvel." Well, nobody disputes that the post office does home pickup and delivery, charges prices independent of distance, and provides services in small towns and low-income areas. The economic question is whether the post office should do these things -- or, more precisely, whether the value (to consumers) of the goods and services produced exceeds the opportunity cost of the resources used to produce them. That, as the Austrian economists have emphasized more vigorously than any other thinkers and writers, can only be determined on the market, in a system of private property and free prices.
Waldman has made the common error, which I've written about often in the context of government-funded science and technology, of confusing economic value and technological or engineering value. The former relates to economic well-being, the latter to the technical aspect of doing X, Y, or Z. The fact that something is produced or performed does not tell us whether the production or performance is valuable. When government is paying the bills (not to mention owning the property and, often, outlawing competition), there is no way to know.