Elasticities of demand and supply are among the first concepts that you will come across in your A-level economics studies. However, many students seem unaware of the continued importance of measures of elasticity throughout the whole 2 years of the course and may not appreciate how useful this concept can be as a tool of analysis and evaluation in A-level essays. Elasticity is a good example of a synoptic concept, i.e. one which underpins microeconomic as well as macroeconomic topics.
An example two-part essay question on this topic might be:
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