Phelps explores what makes nations prosper--and why the sources of that prosperity are under threat today. Why did prosperity explode in some nations between the 1820s and 1960s, creating not just unprecedented material wealth but "flourishing"--meaningful work, self-expression, and personal...

The economies of the Arab states of the Gulf have gone through considerable changes in the last decade, spurred by high oil prices and ambitious diversification plans. Large-scale immigration provided the labor force while capital inflows and financial development leveraged oil wealth to finance...