Unit 2.8.3 - Determinants of Price Elasticity of Supply (PES)This section of the Cambridge IGCSE Economics (0455) syllabus requires students to understand the key influences on PES, in determining whether supply is elastic or inelastic.The main determinants of the price elasticity of supply (PES) for a good or service are considered below. These factors include: (1) the degree spare capacity, (2) the level of stock,...