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| 2 | Snowdon and Vane 2005. Modern Macroeconomics, Edward Elgar Publishing, ISBN-10: 1845422082 ISBN-13: 978- 1845422080 |
| 3 | Cohn, S.M. (2007). Reintroducing Macroeconomics. M.E.Sharpe. New York |
| 4 | D. BEGG, S. FISCHER, R. DORNBUSCH, Economics McGraw-Hill Book Company, London |