Asteroids and other near-earth objects (NEOs) pose a significant ongoing threat to our planet, with the potential to catastrophically disrupt life on Earth. Advance detection is essential to be able to respond to any object on a collision course, but detection and tracking technologies require...

"Over the past twenty years there has emerged a compelling new discourse on varieties of capitalism. That discourse has an appealing common sense which challenges the view there is no alternative to free market capitalism. The initial view had a microeconomic focus that made firms the fulcrum of...

This paper presents a theory of consumption that synthesizes the seminal contributions of Keynes (1936), Duesenberry (1948), and Friedman (1957). The model is labeled the 'relative permanent income' theory of consumption. The key feature is that the share of permanent income devoted to...

The comeback of most Asian economies from the crises of 1997 put talk of reform on hiatus. But most agree that reform there should still be. The author revisits the controversies surrounding the Tobin tax.

The desirability of federal budget surpluses became the conventional wisdom in the 1990s. This economist argues that ongoing surpluses will be damaging in several important ways. He proposes that the nation have its debt grow at the same rate as the GDP.