How do equilibrium adjustments differ between the classical and Keynesian models in the aggregate demand and supply framework?

• A. Neither model adjusts from short-run to long-run equilibrium.
• B. Both models have immediate adjustments.
• C. In the classical model, adjustments are immediate; in the Keynesian model, they are delayed.
• D. In the Keynesian model, adjustments are immediate; in the classical model, they are delayed.

Answer: (C)