How can I achieve a top grade?

Economics is all about models involving assumptions and diagrams. So whenever you're answering a question, you must identify the assumptions relating to it, draw a diagram illustrating your argument and give a detailed explaination of the diagram. Top mark answers will further include examples and evaluation of the economic theories and policies.

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Related Economics IB answers

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Work out the price elasticity of demand of Coca Cola when the demand rises from 1 million to 2 million following a price decrease of £1.50 to £1.35. Is this price elastic or price inelastic?


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Using the Keynesian AD/AS diagram, explain why an economy may be in equilibrium at any level of real output


Distinguish between direct and indirect tax.