Microeconomics is concerned with the behavior of individual markets, such as the market for oranges, cable television or skilled workers, rather than the overall market for products, electronics or the entire workforce. Microeconomics is critical for local governance, business, personal finance, specific stock investment research, and individual market forecasts for venture capitalists. Contrary to microeconomics, macroeconomics considers similar issues, but on a larger scale. Macroeconomic research involves the sum of decisions made by individuals in a society or country, such as “How does interest rate change affect national savings?” It looks at ways in which the state allocates resources such as labor, land, and capital. Macroeconomics can be considered an important version of economics. Macroeconomics is not about analyzing individual markets, but about the total output and consumption in the economy. The themes of macroeconomist research include: In order to study economics at this level, researchers must be able to combine different goods and services in a way that reflects their relative contribution to total output. This is usually done using the concept of gross domestic product, where goods and services are weighted by their market price.