Final answer:
The proxy mode of agency can lead to efficiency and delegation of responsibilities by reducing transaction costs, allowing for quicker decision-making, and leveraging the expertise of specialized individuals.
Step-by-step explanation:
The proxy mode of agency can lead to efficiency and delegation of responsibilities in several ways. When decision-making power is delegated to a single person or a small group of people, it reduces transaction costs and allows for quicker decision-making. This can lead to more efficient outcomes. Additionally, delegating responsibilities to experts in specific areas can result in better outcomes as they possess greater expertise and knowledge. These experts can also share their insights and recommendations, leading to better decision-making.