When discussing finance, it's important to understand how the average value of an investment can fluctuate based on external factors. This change in value is often referred to as the impulse response. It's a measure of how the average reacts to a sudden change in the market or economy. This concept is crucial in understanding the effects of market fluctuations and making informed investment decisions. So, always keep the impulse response in mind when analyzing your investments. It could make all the difference.