The length of time you hold an investment before you sell it is called

The answer is: Time horizon

For each investors, the amount of time horizon would be different depending on the investors's speculation and expectation.

For example, if the investors expect that their investment would radically increase in value in the future, the time horizon for them would usually be high since they would not sell their investments until their expectations are fulfilled.

answer; limited pay life;

the answer would be voluntary exchange -

"the act of buyers and sellers freely and willingly engaging in market transactions. moreover, transactions are made in such a way that both the buyer and the seller are better off after the exchange than before it occurred."

hope this : )

-shy