The power of each party in the bargaining process is relative. It comes in many forms and is never totally one-sided, because both parties have bargaining strengths and weaknesses. It must be perceive [..]

the general capacity of a state to control the behaviour of others, power to cause another actor to do an action (also see structural power)

(economics) The ability to influence the setting of prices or wages, usually arising from some sort of monopoly or monopsony position -- or a non-equilibrium situation in the market. (business) Th [..]