现实生活中存在着大量隐性经济现象,它们处于政府管理、监督之外,未向政府申报和纳税,其产值和收入未纳入政府统计的国民生产总值的各种经济活动的统计,是不合法、不公开、藏身于“地下”的经济行为。它既包括非法经济活动,也包括属于未申报经济的影子经济。对于这种现象,世界各国有各种不同的称谓,如“影子经济”、“地下经济”、“黑市经济”、“未注册经济”、“非记账经济”、“灰色经济”、“秘密经济”等等。地下经济 There are a large number of hidden economic phenomena in real life. They are outside the administration and supervision of the government. They are not declared and taxed by the government. The statistics of various economic activities whose output and income are not included in the government’s gross national product are not Legitimate, not open, hiding in the “underground” economic behavior. It includes both illegal economic activity and the shadow economy that belongs to the undeclared economy. For this phenomenon, all countries in the world have different appellations such as “shadow economy”, “underground economy”, “black market economy”, “unregistered economy”, “non-bookkeeping economy ”, “ Gray economy ”, “ secret economy ”and so on. Underground economy