Why might fiscal stimulus crowd out​ investment? Fiscal stimulus that increases an existing government budget deficit​ ______ loanable​ funds, which​ ______ investment. A. decreases the demand​ for; decreases the real interest rate and increases B. increases the demand​ for; decreases the real interest rate and increases C. increases the demand​ for; increases the real interest rate and decreases D. decreases the supply​ of; increases the real interest rate and decreases