Bell, Daniel. "Models and Reality in Economic Discourse." Public Interest. Special Issue (1980), pp. 46-80.

Excerpt:

For more than 35 years, economic theory – the skein of Cambridge (U.K. and U.S.A.) economics woven by Alfred Marshall, John Maynard Keynes, and Paul Samuelson, has been a powerful force directing economic policy.

Online:
National Affairs [pdf]