Apremium watch manufacturing company decides to increase its sales by having a famous lead actor of a highly anticipated upcoming hollywood movie wear their watch.

this marketing method is called

The marketing method is called celebrity advertising/branding. It is used to further persuade customers to buy a specific product.

I know it's celebrity advertising, but I don't know if branding should be in there what did you get

Explanation:

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.