全球视角宏观经济学课件

Third, giving empirical content to theory by collecting and analyzing actual macroeconomic data.
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Some of the key questions addressed by macroeconomics
全球视角宏观经济学课件
The approach of Macroeconomics
The basic approach of Macroeconomics is to look at the overall trends in the economy.
Special summary measures of economic activity ---GNP, the saving rate, or the consumer price index--- give the “big picture” of changes and trends.
that stabilization policies were actually a major source of renewed instability. A “counterrevolution” began. Monetarism and it’s central idea. New classical macroeconomics: Lucas and Barro. Advocates of the real business-cycle theory.
The careful identification of business cycle as a recurrent economic phenomenon.
The Great Depression A new theoretical framework to explain the Great Depression proposed by Keynes.
look at is the trade balance.
Macroeconomics in historical perspective
The creation of macroeconomics Economic statisticians began to collect and
systematize aggregate data which provided the scientific basis for macroeconomic investigations.
The most important single measure of production in the economy is the GNP.
Economic growth and business cycles Unemployment is a second key variable that
Providing a broader framework
for macroeconomic analysis
The general theory is limited to short-term economic fluctuations and stabilization policies.
Our analysis is pushed further by providing an especially broad view of macroeconomics.
Beside the attention on short-term economic fluctuations and stabilization policies, we focus more attention on other central concerns of macroeconomics,such as the determination of economic growth rate, or balance of payment, etc.
These overall macroeconomic measures provide the basic equipment that allows macroeconomists to focus on the dominant changes in the economy.
How do economists do their job?
The development of macroeconomics Keynesian and neo-Keynesian Main idea Keynes’s policy recommendation is the major
tool of promoting economic growth. Non- Keynesian In fact, to many economists, it began to appear
macroeconomics investigates. A third key variable that interests
macroeconomists is the inflation rate. The fourth major variable that macroeconomists
First, try to understand on a theoretical level the decision processes of individual firms and households.
Second, try to explain the overall behavior of the economy by aggregating, or adding up, all the decisions of the individual households and firms in the economy.