The existence of which one of the following is a reason for the fact that GDP gives an underestimated value of total output in the economy?

Question

Quizplus · Accepted Answer

The underground economy refers to economic activities that are unreported, either to avoid taxes or because they are illegal. These activities are not included in the calculation of GDP, resulting in an underestimation of total output in the economy.

The Existence of Which One of the Following Is a Reason