Final answer:
The paradox of thrift suggests that when individuals save more, the overall level of saving in the economy diminishes and can lead to a decrease in economic growth.
Step-by-step explanation:
The correct answer is a) The paradox of thrift. The paradox of thrift suggests that when individuals save more, the overall level of saving in the economy diminishes and can lead to a decrease in economic growth. This is because when people save more and spend less, it reduces consumer demand and can lead to a decrease in production and economic activity. In the long run, this can impact economic growth negatively.