微观经济学：
微观经济学实际上涉及单个公司及其内部结构管理。
宏观经济学：
宏观经济学涉及更大系统的社会和经济条件，公司是其中的子部分之一。我们也可以说微观经济学是宏观经济学的一部分。在这里，商人除了了解产品价格和公司结构之外，还对了解现在和未来以及经济体系感兴趣。
微观经济学和宏观经济学的区别：
| Microeconomics | Macroeconomics |
|---|---|
| Deals with an individual firms and the activities lies within. | Considers the social and economic conditions of larger systems and firm. |
| Deals with consuming units or individual producing units. | Deals with the bigger picture and not just one single module or unit. |
| It considers first,the individual firm,and then its surrounding market to determine the resources, revenues cost, employment and so on. | Businessman has to know the present situation trends like gross national product, changes in consumption and investment patterns,etc. |
| Determining the demand of theory and theory of production. | Determining aggregate demand and supply of economy. |
| Price is the main determining factor here. | Income is the main determining factor here. |
| Consumer and company equilibrium is established. | Equilibrium between the income and employment of the economy is established. |
| Example: Small firms and economic units. | Example: International organisations need to understand the cash flow,money exchange follow macroeconomics principles. |