Answer:
Statement A and B
a. vendor that rents kayaks at a lower price than other rival kayak vendors along Waikiki beach.
b. Department stores take steps to increase security since they believe it is more costly to allow shoplifting than to install expensive security monitoring equipment
Explanation:
In economics, it is assumed that economic agents or people are rational, and so therefore, based on their knowledge of cost and benefits, they would make the best decisions that would help the maximize their goals and objectives. One of these common goals is making a choice that will cost less in the long run, and as a result of this, economic agents will respond to economic incentives.
Taking a look at the statements given in the above question, we can clearly tell, statement A and B demonstrate that economic agents respond to incentive.