An opportunity cost is the potential ‘alternative’ or benefit that is forfeited when one chooses a particular option.

The other, foregone option, if it is lower than other companies, is the key factor in this trade-off.

Certain countries have unique strengths, local resources and talent that can be a comparative advantage to them, and make products at a cheaper cost than other countries. If they indulge in protectionism, the end result is higher costs and inefficiency for all.

Example: China ...

The law of comparative advantage was first mentioned in 1817 by English economist David Ricardo.

A company has a comparative advantage when it is able to provide a good or service at a lower opportunity cost than others, helping it sell the same product at a lower cost, ...

When a company is at a better position to provide strong value to the customer, it is said to be at a competitive advantage.

Example: A cable TV operator offers low cost wifi internet services at great speeds and no downtime, which isn’t offered by the competition in ...

Comparative advantage is also measured by the salary yardstick, and how much a person’s time, skills and core skill sets are worth.

Example: Michael Jordan is a skilled basketball player, and is very tall. If he wants, he could paint his own house by himself and do it quickly due to h...