Booms and recessions (III): aggregate supply and demand - The short-run aggregate supply curve

3 important questions on Booms and recessions (III): aggregate supply and demand - The short-run aggregate supply curve

What is the intuition behind the concept that unexpected price raises result in a positively sloped AS-curve?

Once nominal wages are set, an increase in price level decreases the real wage.  Lower real wages means more demand for labour and thus more production.

Why is the AS-curve more accurate in a logarithmic measured P rather than a linear one?

Because fixed changes can give greatly different procentual differences. This is fixed by taking the logarithm of the price levels

What does ρ denote? (AS-curve)

ln P
The ln of the Pricelevel

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