Hello!
You forgot the alternatives!
incentives
margin
markets
scarcity
The term that is most closely related to trade-off, from the list above, is: scarcity. Scarcity is the condition that moves the trade-offs, it determines the quantity of each product you need or have. So, for example, if you need a product that you don't have enough and another that you have in excess, you can exchange it with someone that have interest in your product and has the one that you need.
Hugs!