Macro-economic model is an economic mathematical model that describes the overall state and changing law of the objective economic process of the whole national economic system. Its variables are the total or average value of the economic system, such as gross social output value, national income, total investment, total consumption expenditure, currency circulation, price level, population development, employment level, import and export trade and their relations.
Macroeconomics uses economic models to simulate the interrelationships of variables in the economic world. The purpose of establishing an economic model is to explain the interdependence and mutual influence among multiple variables in the economic system.
Because one model can't answer all the questions in the economy, economists often use different models to explain different economic phenomena. Different models deal with different problems and make different assumptions.
Generally speaking, if the price in the model is elastic, the model is mainly used to explain the long-term economic operation; If the price in the model is sticky, the model is mainly used to explain the short-term economic operation.
First of all, we should sort out the textbook system, so as to know what the whole macroeconomic structure is like. For example, from the simple national income model to the ls-lm model to the ad-as model, how to deepen it step by step.
Secondly, we should pay attention to the key points. The status of each chapter is different, and the importance of each knowledge point in each chapter is also different. The whole macroeconomics should focus on those models, in addition to the economic cycle theory of inflation, unemployment and economic growth.
It is important to be familiar with the basic routines of doing problems, such as calculating problems. Most of them have a fixed pattern, and you will be familiar with it after doing it a few times.
Pay attention to current events and integrate economic theory with practice. Fiscal policy and monetary policy often cooperate with current events, and watch more cctv-2 economic programs, such as economic half an hour.
Macroeconomics is not difficult, and hard work should pay off.