One of the core aspects of marketing, borrowed from economists, includes an , which is a transaction in which things of value are traded between the buyer and the seller?

Exchange

Explanation:

One of the core aspects of marketing, borrowed from economists, includes an exchange, which is a transaction in which things of value are traded between the buyer and the seller.

there is a app that you show the question and it anwsers it in the app store

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.