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Define the term ‘externalities’

An externality is a positive or a negative effect experienced by a third-party to an economic transaction. In production for example, an externality would occur when there is a difference in the marginal ...

EE
Answered by Edward E. Economics tutor
1919 Views

Solve 2x+y=6, 3x+2y=3 for x and y.

Give each equation a label:(1) 2x+y=6(2) 3x+2y=3Multiply one equation to make the number of x's or y's the same in each equation. 2 X (1) : 2(2x+y=6) 4x+2y=12 (2) 3x+2y=3There are now 2y's in each equatio...

EW
Answered by Emily W. Maths tutor
3880 Views

At room temperature and pressure, the first 4 alkanes are all gases, but the first 4 alcohols are all liquids. Explain this.

Alkanes are non-polar so only have London forces between them. These intermolecular bonds are weak, and easily overcome with little energy. This means that alkanes have a low boiling point hence they are ...

AE
Answered by Ayolola E. Chemistry tutor
15159 Views

In a perfectly competitive labour market, explain how equilibrium wages are determined by the forces of supply and demand.

The labour market is a factor market, which is a market where the factors of production are traded. The supply of labour comes from the pool of economically active citizens who want to be employed. Labour...

AJ
Answered by Anish J. Economics tutor
2275 Views

Outline two cognitive explanations for depression (6 marks).

One cognitive explanation involves Ellis’s ‘ABC Model’ (1962). Ellis explains that the key to depression lies in irrational thinking. ‘A’ represents an activating...

SS
Answered by Simran S. Psychology tutor
14779 Views

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