Macrroeconomics Essay Example | Topics and Well Written Essays - 500 words

Macrroeconomics - Essay Example These factors often influence each other. As opposed to microeconomics, which is mainly concerned with actions of individual factors such as consumers, firms and how consumer behavior determines quantities and prices in specified markets, macroeconomics is broad in scope. It is, therefore, aimed at providing an understanding of the causes and consequences of changes in national incomes as well as understanding the major determinants of economic growth (Marshall 10). Macroeconomists have developed a variety of models that tend to explain the relationships between the various economic factors. These models have been helpful to governments and large corporations in developing and evaluating their economic policies as well as business strategies. As such, macroeconomics covers a variety of concepts. However, the three major concepts and variables are output, unemployment and inflation (Marshall 15). With regard to output and income, national output refers to the total value of everything that is produced within a given country in a specified period of time. This output generates income. Thus, output and income are generic terms used interchangeably as they are deemed to imply the same thing (Marshall 17). In macroeconomics, output is measured by Gross Domestic Product (GDP). On the other hand, unemployment is measured by the rate of unemployment. It refers to the percentage of people who lack jobs in the labor force of a given economy (Marshall 19). Thus, unemployment may be categorized into various types based on the different causes. For instance, classical unemployment occurs when wages are so high that employers become unwilling to hire more workers. Similarly, frictional unemployment occurs when workers take too long to find a job, so they experience long periods of unemployment. Another type is structural unemployment. It is when people become unemployed as a consequence of a myriad of factors such