While renewable energy and organic farming are considered sustainable, they're anything but. The collapse of Sri Lanka's green agricultural sector is a warning to the rest of the world.
The efficient market hypothesis, which is popular in neoclassical economics circles, holds that markets are so "efficient" that entrepreneurial profits are generated randomly.
Populists on the right (and left) are claiming that American prosperity came about because of high protective tariffs. But political rhetoric can't replace sound economics.
In the past, many Americans may have simply trusted to the regime to provide "law and order." But that sentiment is apparently becoming more and more rare.
National divorce does happen, and debts are not necessarily repudiated as a result. We can look to examples from Latin America, Eastern Europe, and the Czech-Slovak split.