## Giving a subsidy - calculation

For higher level, you need to be able to understand how to calculate the impact of a subsidy on a market. You will need to calculate this from linear demand and supply functions and to be able to calculate the change in consumer expenditure and the domestic and overseas firm's revenue from the diagram. The presentation below goes through this. Click on the screenshot, or link below, to open the presentation. ** It will open in a new web window**. You will need a headset or speakers to listen to the explanation.