what new economic practice of the 1920's was credited with being responsible for people buying more?

The new economic practice of installment buying was credited with being responsible for people buying more in the 1920s. This practice allowed consumers to purchase goods on credit and pay for them in monthly installments, making expensive items more affordable and encouraging increased consumer spending. This led to a boom in the sale of goods such as automobiles, radios, and appliances during the prosperous 1920s.