Two Americans win Nobel Prize in economics

SWEDEN - The 2002 Nobel Memorial Prize for economics has been awarded to a psychology professor and a researcher who developed laboratory tests of economic theory.

The $1 million prize announced Wednesday by the Swedish Academy of Sciences will be shared by dual U.S.-Israeli citizen Daniel Kahneman of Princeton University in New Jersey, and American Vernon Smith of George Mason University in Virginia.

The academy says Mr. Kahneman laid the foundation for psychological research into how humans