AS and A Level Economics Through Diagrams (Oxford Revision Guides)
Publisher: Oxford University Press
Published: December 15, 2005
Format: Paperback
Number of pages: 128
ISBN-13: 9780199150717
Subjects: Economics; Designed / suitable for A & AS Level; Study guides, home study & revision notes
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.