The present size of the hidden economy in Norway is between 4 and 6 percent of GDP, of which
hidden labor income constitutes about half. A survey approach reveals that 415 of the population is
of the opinion that people in general accept income from moonlighting that is not reported, and 213
believes that this share of acceptance is on the increase. Furthermore, surveys clearly show that
hidden labor services are of satisfactory quality, that they mainly are paid for in cash, but with
checks being increasingly used, and that buyers find it easier to obtain services from the hidden labor
market than from the regular one. A shortening of the work week in order to alleviate unemployment
may result in an increased supply of hidden labor