Consider the following version of the Phillips curve: pi = pi t degree - 0.5 (u-u*)2 + v Suppose that the expectations are 1.5% and the natural rate is 5% Then the economy is hit by an oil price shock and a financial crisis The oil price shock embodied an inflation rise of 3 percentage points and inflation turned out to be 1.5%. What effect did the financial crisis have on the unemployment rate?