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Economics

A Level

What is elasticity of demand and how do you work it out?

Elasticity of demand, or more formally Price Elasticity of Demand (PED) is a measure of the extent to which the amount of a good demanded by consumers varies with response to a change in its price. It ...

Answered by Noah C. • Economics tutor

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If John’s elasticity of demand for burgers is constantly 0.9, and he buys 4 burgers when the price is £1.50 per burger, how many will he buy when the price is £1.00 per burger

We are using elasticity to find quantity, instead of the other way around. We will plug in what we know, and solve from there.

Elasticity =
And, in the case of John, %Change in Qua...

Answered by Matthew S. • Economics tutor

4983 Views

Why is the concept of the “marginal “ so important in economics?

“Marginal” in economics means “additional” and “extra”. It is the idea that firms may take decisions by considering the effect of small changes from the existing situation. Economists rely heavily on t...

Answered by Tiffany C. • Economics tutor

26161 Views

Explain the factors influencing short run and long run aggregate supply

Factors affecting the short run aggregate supply includes factor costs, temporary supply shocks, government policies with short-term effects and expectation of price level.

Answered by Tiffany C. • Economics tutor

36477 Views

Examine the desirability of a fixed exchange rate regime amongst the world's major economies.

A fixed exchange rate is one in which the currency is pegged, and the government intervenes to ensure that this value is maintained if it is threatened.Governments or central banks can do this by buying o...

Answered by Rhys M. • Economics tutor

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