Melissa purchases a dvd player at a store that sells refurbished merchandise. the store has a big sign stating "caveat emptor" posted out front and at the cash register. this sign most likely translates to a policy of

answermultidomestic strategy;

credit history is used by lenders to determine whether you are a 'risky' person to give their money to.

having a short history provide very little data for the lenders. they wouldn't be able to determine your credit behavior from such a small samples. even if they are perfect.

having long credit history with few blemishes provide larger and more accurate data for the lenders to predict your credit behavior.