Economics is the study of production, consumption, distribution, transfer and consumption of wealth, goods and services and the allocation of resources. Students get to learn about economic theory and principles, mathematics, economic models and methods of analysis, and much more. Economic courses are best suited for people who have mathematical aptitude and strong critical and analytical thinking skills. An economist researches and monitors demands and supply, exchange rates, business trends, taxation, employment rates, inflation and costs of materials to understand trends and develop predictions. Economists formulate and publish numerous economic indicators, like gross domestic product (GDP) and therefore the Consumer Price Index (CPI).