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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 ...

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...

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 ...

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...

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