Use the drop-down menus to complete each sentence. Hayek is best known for his contribution to the understanding of . Hayek disagreed with Keynes about expansionary policy because it could cause and influence consumer decisions. Unlike Keynes, Hayek believed that consumer actions be accurately displayed on a supply and demand curve.

-price changes

-inflation, negatively

-could not

Explanation: Completing the sentence, we have ;

Hayek is best known for his contribution to the understanding of  Price Changes . Hayek disagreed with Keynes about expansionary policy because it could cause inflation  and negatively  influence consumer decisions. Unlike Keynes, Hayek believed that consumer actions could not be accurately displayed on a supply and demand curve.

John Maynard Keynes and F.A. Hayek are two of the most controversial economic who made great contributions in the field of economics. In as much as they contributed great value to the economy system, they both had different thoughts in this regard, while  Hayek says that government should not intervene to help market system, Keynes proposes on governments  intervention  to ease recession.

Hayek is best known for his contribution to the understanding of  

price changes.

Hayek disagreed with Keynes about expansionary policy because it could cause  inflation  and negatively  influence consumer decisions.

Unlike Keynes, Hayek believed that consumer actions could not be accurately displayed on a supply and demand curve.

there is an explationation of this on a site called crash   course world history 1

the answer is:

c. economic output