Other things the same, a fall in an economy's overall level of prices tends to
a. raise both the quantity demanded and supplied of goods and services.
b. raise the quantity demanded of goods and services, but lower the quantity supplied.
c. lower the quantity demanded of goods and services, but raise the quantity supplied.
d. lower both the quantity demanded and the quantity supplied of goods and services.

b. raise the quantity demanded of goods and services, but lower the quantity supplied.

Explanation:

The law of demand shows an inverse relationship between price and quantity demanded. It states that if the price of goods and services decreases, the demand will increase. This is because a lower price increasing the purchasing power of buyers. On the other hand, the law of supply states shows that price and quantity supplied will move in the same direction; it states that if the price of goods and services decrease, the quantity supplied will also decrease.