Greg Mankiw recommends my new book, The Upside of Inequality: How Good Intentions Undermine the Middle Class (Portfolio/Penguin). In a knowledge-based innovation-driven economy constrained by properly trained talent and the economy’s willingness to take risk, rather than labor or capital, I recommend recruiting ultra-high-skilled immigrants, containing perennial trade imbalances, and lowering taxes on exporters. Pre-order a copy here.