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Identify the characteristics of a monopolistically competitive market and explain why firms in this market are said to be inefficient. ​

In a monopolistic market there is a large number of small, profit-maximising firms, selling differentiated, heterogeneous products. This means that they have some degree of control of price in the short run,...
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Answered by Michael W. • Economics tutor
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How would you outline the Knowledge argument?

Jackson's knowledge argument aims to refute Physicalism (the philosophical position that everything which exists is no more extensive than its physical properties, and that the only existing substance is phy...
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solve the simultaneous equations 3x+7y=18 and 7x+9y=8

3x+7y=18 (eqn 1) -multiply by 7-> 21x+49y=126 (eqn 1*) 7x+9y=8 (eqn 2) -multiply by 3-> 21x+27y=24 (eqn 2*) (eqn 1*)-(eqn 2*) --> 22y=102 therefor y=51/11 sub in this y value back into (eqn1) -->...
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Answered by Radhika S. • Maths tutor
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Solve the following simultaneous equations: (1) 4x+y=7 and (2) 3x+2y=9

This question can be answered by the elimination method. I will choose to eliminate 'y' in this case. Firstly, multiply equation (1) by 2, resulting in 8x+2y=14. Now we can subtract eqaution (2): 3x+2y=9 fro...
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Answered by Alex D. • Maths tutor
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How are nerve cells adapted to their function?

To answer this question we first need to understand what the function of a nerve cell, or neurone, is. Neurons need to be able to rapidly transmit electrical impulses along their length. They also need to ex...
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Answered by Christian H. • Biology tutor
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