Doing or buying something merely because it is "just released" or "improved" is an example of:

A) appeals to pity.
B) a sunk cost.
C) appeals to tradition.
D) lure of the new.

Sunk Cost

Sunk Cost represents money that has already been spent and cannot be recovered, often considered irrelevant to future economic decisions.

Lure of the New

A phenomenon describing the attraction or preference for novel products, technologies, or ideas over those that are more familiar or traditional.