1.3.2.5c - YED values

Interpret numerical values of income elasticity of demand.

Use c - yed values to connect the rule to the data and decision in the question.

This matters because c - yed values determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply c - yed values to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: c - YED values is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.