The law of diminishing marginal returns relate to?

The following constitute the criteria for identifying an economic system except?

A disadvantage of the mean as measure of central tendency is that?

If the price of floor rises, then bread

which of the following can be described as land

which of the following is not a reason for abnormal demand

which of the following is not an effect of many middlemen in the chain of production

An outward shift of the production possibility curve shows that?

Economics is regarded as a science because it?