Final answer:
The impact on the economy would be increased consumer savings and reduced spending.
Step-by-step explanation:
The possible impact on the economy would be increased consumer savings and reduced spending (option C). When confidence among American consumers who borrow falls dramatically, consumers may become more cautious and save more instead of spending. At the same time, the Federal Reserve pursuing contractionary open market operations will reduce the quantity of loanable funds, making it less attractive for consumers to borrow and spend. This combination of factors would result in increased consumer savings and reduced spending, which can have a contractionary effect on the economy.