Answer:
underground economy
Explanation:
Underground economy -
It is the economic transaction which is consider to be a form of illegal activity , which may be due to the goods and services or failure in transaction , is referred to as underground economy.
The example of underground economy is smuggling of goods , untaxed sale of the goods and services , untaxed labor etc.
Hence , from the given scenario of the question ,
The correct term is underground economy .
