Marshall Jevons is the pioneer for integrating economics and detective fiction, and The Mystery of the Invisible Hand is another fine effort in this genre.

The lesson about food is that the most predictable and the most orderly outcomes are always not the best. They are just easier to describe. Fads are orderly. Food carts and fires aren't. Feeding the world could be a delicious mess, full of diverse flavors and sometimes good old-fashioned smoke.

Economics is sometimes associated with the study and defense of selfishness and material inequality, but it has an egalitarian and civil libertarian core that should be celebrated.

The right wing will be identified with the monied class, even when the left often has more money. And the left wing will be identified as the whiners, even though the right at times whines as much or more. You might say that both sides are monied, high human capital whiners, on the whole.

Here's the positive scenario: that something has been going wrong in American society. You see it in wage growth, opioid abuse, many other social indicators, as you know. Sometimes it's better to get the bad reaction to that over with quickly while your civil society still is strong and you can react and respond and protest, and you know, four or eight years from now, make another decision, and maybe it's better to have that happen in 2017 than 20 years later when some of our problems are worse and our national mood is worse.

The key questions will be: Are you good at working with intelligent machines or not? Are your skills a complement to the skills of the computer, or is the computer doing better without you? Worst of all, are you competing against the computer?

Beethoven and Michelangelo, who sold their artworks for profit, were entrepreneurs and capitalists.