Positive economics for Australian students
Lipsey, Richard G.,1928-
Langley, Paul C.
Mahoney, Dennis M.
Lipsey, Richard G.,1928-Introduction to positive economics.
London Weidenfeld and Nicolson
c1981
Based on An introduction to positive economics / Richard G. Lipsey. - 5th ed., 1979
Includes bibliographies and index
Economics.