“I love the observation that in Chapter 1 of an economics textbook, they'll say, 'We're just describing people as they are. People are rational, and this is how

“I love the observation that in Chapter 1 of an economics textbook, they'll say, 'We're just describing people as they are. People are rational, and this is how it goes.' And then, in Chapter 2, they'll say, 'And most people fail to'--you know, 'respect the sunk costs.' And they never even notice that there's a small tension there.” — Mary Hirschfeld, discussing her book, Aquinas and the market. She touches on a lot of the points you mention.