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Explain what is meant by a semi-fixed exchange rate? With reference to the BBC news story in the link below, explain why the Nigerian central bank increased interest rates and devalued their currency (the naira)?

http://www.bbc.co.uk/news/business-30196496 An exchange rate is the price of one currency in terms of another. When this rate is semi-fixed the exchange rate is allowed to fluctuate between a specified range...
OC
Answered by Owen C. • Economics tutor
15831 Views

How do you find the cube root of z = 1 + i?

Firstly we express z in polar form: z = R e i θ where |z| = (Re 2 + Im 2 ) 0.5 = (1 2 + 1 2 ) 0.5 = 2 0.5 θ = arg z = tan -1 (Im/Re) = tan -1 (1/1) = π/4 Therefore z = (2 0.5 ) e i π/4 We can add on any mult...
AE
19469 Views

How do you calculate the Earth's escape velocity?

The escape velocity is the speed that an object must have in order to have enough energy to escape the Earth's gravitational field. To calculate the escape velocity, we can apply the principle of Conservatio...
AE
Answered by Aldwyn E. • Physics tutor
26339 Views

How do I write an effective introduction for an English essay?

Planning The key to writing a good essay introduction is to plan your answer first. This is more difficult in an exam than for a coursework essay, as you have the additional pressure of limited time. As a ge...
SP
37549 Views

What are the differences/similarities between perfect competition and monopolistic competition?

Economists can predict and describe the nature of a firm based upon its existing size, structure, behaviour and relationship to other firms (market power). This is known as theory of the firm . Two possible ...
OJ
Answered by Olivia J. • Economics tutor
87256 Views