If money supply and money demand both increased, what would be the effect on interest rates and investment? Interest rates would increase, and investment would decrease. The change in interest rates...

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Extracted text: If money supply and money demand both increased, what would be the effect on interest rates and investment? Interest rates would increase, and investment would decrease. The change in interest rates and investment would be indeterminate. Interest rates would increase, and investment would increase. Interest rates would decrease, and investment would increase.