Suppose That Some Teachers Have Decided That Economic and Financial

Suppose that some teachers have decided that economic and financial uncertainty have made the prospect of retiring more risky,and it therefore carries a higher cost than not retiring.By using all available information as they act to achieve their goals,these teachers are exemplifying the economic idea that

A) people are rational.
B) people respond to economic incentives.
C) optimal decisions are made at the margin.
D) equity is more important than efficiency.