Book reviews: Scarcity, The Gods Of Guilt, The Young And Prodigious TS Spivet

Scarcity: Why Having Too Little Means So Much
Sendhil Mullainathan and Eldar Shafir (Penguin)
★★★✩✩

The authors have a "big idea", another in the newly popular field of behavioural economics. The nudgers and freaks are joined by the lackies - those who live with scarcity.