Advanced Economics Through Diagrams (Oxford Revision Guides)
Publisher: Oxford University Press
Published: July 1998
Format: Paperback
Number of pages: 96
ISBN-13: 9780199132874
Subjects: Economics; Designed / suitable for A & AS Level
First sentence: Positive economics is based on testable theories, e.g. the idea that higher interest rates lead to a fall in aggregate demand can be tested by looking at past data.