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The limitations which marked the Truth and Reconciliation Commissions in Argentina, Chile and – to a lesser extent – Peru can be explained by the ongoing legacy of the military regimes, restricting each C...

Expansionary fiscal policy involves increasing aggregate demand (AD) by increasing government spending and decreasing taxation. Lower taxes will increase consumer disposable income which increases their s...

Technological advances now mean that firms are able to produce more. This then increases supply, shifting the supply curve on the supply and demand diagram outward (to the right). As a result of this, mar...

The tangent to the curve is a straight line and will hence have the form f(x) = m * x + c, where m is the gradient of the tangent line and c is the y-intercept of the tangent line.
The gradient of th...

Last digit of n determines last digit of n^4. All even numbers divide by 2, so are not prime. Any number ending in 5 is a multiple of 5 so is not prime. Primes > 5 end in 1, 3, 7 or 9. If n ends in 1, ...