Consider the following statements:1. If government expenditure increases the IS curve shifts to the right2. If the taxes increase the IS curve shifts to the right3. If the price level increases the LM curve shifts to the left4. The more interest elastic the investment function, the more interest elastic will the IS curve Which of the above statements are correct?

Macroeconomics is a branch of economics that studies how an overall economy—the market or other systems that operate on a large scale—behaves.