Unemployment determination in a modern economy was the main subject area of my research from the mid-1960s to the end of the 1970s and again from the mid-1980s to the early 1990s.

The main cause of Europe's deep fall - the losses of inclusion, job satisfaction and wage growth - is the devastating slowdown of productivity that began in the late 1990s and struck large swaths of the continent. It holds down the growth of wages rates, and it depresses employment.

Doolittle was a major influence on the Seattle grunge scene, which emerged in the early 1990s.

We started all this research way back in the early 1990s, developing a technique that allows us to record the electrical signals produced by neurons simultaneously.

A modern economy is marked by the feasibility of endogenous change: Modernization brings myriad arrangements from expanded property rights to company law and financial institutions.

The U.S. government has known since the early 1990s about Soviet-era smallpox weapons, and collected circumstantial evidence of programs elsewhere.