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Explain how a profit can be earned in the short run but not the long run in a perfectly competitive market.

This is a fairly common a) question on Economics HL paper one. It is a 10 mark question, so a maximum of 20 minutes should be spent on it in order to leave time for question b). It concerns the workings of t...
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Answered by William G. • Economics tutor
9570 Views

When is the subjunctive used in Spanish?

After certain phrases, which can be remembered by WEIRDO: -Wishes (Quiero que/ espero que) -Emotions (Me alegro que/ Me da pena que) -Impersonal expressions (Es importante que/ Es mal que) -Recommendations (...
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Answered by Annie D. • Spanish tutor
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How can I revise for my English Literature exam?

Whilst it may not be as obvious as other subjects how and what exactly to revise for English Literature, there is so much you can do to consolidate your knowledge and boost your grade. Rather than just re-re...
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The quadratic equation 2x^2 + 6x + 7 = 0 has roots A and B. Write down the value of A + B and the value of AB

Upon being told to find the roots of a quadratic we should investigate the various different ways of finding these roots. With experience you will learn to be able to find roots without many calculations usu...
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Answered by Killian D. • Maths tutor
9927 Views

What is the difference between normative social influence and informational social influence?

Social influence occurs when our behaviour is influenced by the real, imagined or implied presence of others. Information social influence occurs when people conform to peer views in an attempt to reach the ...
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