Market equilibrium refers to the equilibrium where the demand and supply curve intersect each other. At this intersection point, the quantity supplied of a product and quantity demanded for a product are equal corresponding to a market equilibrium price.
At this point, the demand and supply of the goods are equal.
The correct answer is the variable-ratio reinforcement
schedule. This reinforced schedule is being defined as a reinforcement by which
the response is likely to be reinforced after the unpredictable number of
responses that occurred. This creates a high rate and steady of responding.