Unconditional basic income has been discussed for many years. It is intended to solve problems that may arise as a result of demographic change, digitalisation and automation. Very different concepts form the basis for the discussion. For example, it is not clear what level such a basic income should have, which social benefits it would replace and, above all, how it would to be financed. It was originally carried out as a field experiment in Finland. The main question to be answered: to what extent would basic income trigger or weaken incentives to work?