First, the Five Good Emperors brought relative peace, stability, and prosperity to Rome. Since they were preceded, then followed by, some pretty ruthless characters, this makes them stand out in the pages of Roman history.
Hayek believed the economy too complicated to think in terms of aggregates. This is the foundation of monetarism theory. He believed that people are unpredictable in their choices. Consequently, expansionary policy was potent because it could potentially lead to inflation and affect individual choices.
