地下经济，也称黑色经济、隐形经济、第二经济，其内容和范围，国内外都还存在一些不同的看法和观点。我国研究地下经济的权威人士认为，地下经济是指所有未向政府申报收入、未被政府统计、逃避政府监督与管理的合法与非法的经济活动。地下经济作为整个真实经济的一部分，... Underground economy, also known as black economy, invisible economy, the second economy, its content and scope, there are still some different views and opinions at home and abroad. The authoritative source who studies the underground economy in our country believes that the underground economy refers to all legal and illegal economic activities that have not declared their income to the government, have not been counted by the government, and have evaded government supervision and management. Underground economy as part of the entire real economy, ...