In an economy where gold coins are used to make transactions, the demand for money (DM) is the demand to gold coins. hold spend earn produce Question 3 1 pts The supply of money (SM) is the difference between all gold and the stock of gold above-ground; monetary above-ground; non-monetary below-ground; monetary below-ground; non-monetary In an economy where gold coins are used to make transactions, the demand for money (DM) is the demand to gold coins. hold spend earn produce Question 3 1 pts The supply of money (SM) is the difference between all gold and the stock of gold above-ground; monetary above-ground; non-monetary below-ground; monetary below-ground; non-monetary