In economics the term refers to the formation of productive capital within an economy.

Investment

Explanation:

 The investment is the term which refers to the formation of the productive capital by using the flow of resources in the economy.

The main objective of the investment is that it generating the income so that we can use that specific income for the future use with some profit.

 According to the given question, in economics the investment is basically form the capital within the economy and it also maintain the growth of the economy.

Therefore, Investment is the correct answer.

a would be the answer

answer; regard the action of other people negatively;