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Author

Roy J. Ruffin

5 books found

Cover of Principles of economics

Principles of economics

Roy J. Ruffin, Paul R. Gregory · First published 2000

Cover of Principles of macroeconomics

Principles of macroeconomics

Roy J. Ruffin, Paul R. Gregory · First published 1983 · Latest edition 2000

Cover of Study Guide, Macroeconomics

Study Guide, Macroeconomics

Roy J. Ruffin, Paul R. Gregory · First published 2000

Cover of Principles of Microeconomics

Principles of Microeconomics

Roy J. Ruffin, Paul R. Gregory · First published 1998

Cover of Macroeconomics

Macroeconomics

Roy J. Ruffin, Paul R. Gregory · First published 1997