Suppose that the economy is initially in general equilibrium. What would happen if the natural rate of unemployment were to increase?

None of the above.

According to the AD/AS model framework, the resulting positive output gap would lead to higher inflation.

All of the above.

According to Okun's law, the resulting negative unemployment gap would be consistent with a positive output gap.

According to the Phillips curve, the resulting negative unemployment gap would increase inflationary pressure