A nuclear stress test is similar to the exercise stress test or pharmacological (chemical) stress test, but a small amount of radioactive substance is used to determine the health of the heart and blood flow to the heart.
The following are the four basic types of economics resources: Land â natural resources such as iron ore, gold, diamonds, oil, etc. Labor â human resources such as wage-earning workers. Capital â plants and equipment used in the production of final goods, such as assembly lines, trucks, heavy duty machinery, factories, etc.
Economists generally recognize three distinct types of economic system. These are 1) command economies; 2) market economies and 3) traditional economies. Each of these kinds of economies answers the three basic economic questions (What to produce, how to produce it, for whom to produce it) in different ways.here are 4 types of economic systems. First, traditional, based on a barter economy. Production, exchange and distribution are based on customs and traditions. Second, free market economy.