Answer: Because economics can vary immensely based on country, state, even who you ask, it will always have even just a slightly different meaning. Though the the most commonly accepted definition of economics, but the definition will probably never be certain and it will always change.
Step-by-step explanation:
Lionel Robbins (1932) developed implications of what has been termed "[perhaps the most commonly accepted current definition of the subject": Economics is a science which studies human behavior as a relationship between ends and scarce means which have alternative uses.