Final answer:
The subprime mortgage problem had a significant impact on the U.S. economy, including a decrease in housing prices and a stock market crash. It also led to a banking crisis and job losses.
Step-by-step explanation:
The subprime mortgage problem had a significant impact on the U.S. economy. It led to a decrease in housing prices, which contributed to a decrease in the overall wealth of the household sector. Additionally, the problem spread throughout the financial markets, resulting in a stock market crash and a banking crisis. As a result, the economy experienced job losses and a decline in consumer spending.