1. what is the business cycle and what is its fundamental causes?
2. what do you call a macroeconomic indicator that typically begins to change its direction of growth before an economy enters a new business cycle phase? what do you call one that typically switches into a new phase at around the same time as the business cycle switches into a new phase?
3. Apart from the business cycle, what is the other fundamental stylised fact describing the path of modern economies over time?
4. Describe the goals of macroeconomic policy