Yes but a good effect. It helps us to avoid crisis because of the profit it gives. It helps un-employed people to earn and work to whike at home and because of that it lessen the number of un-employed people.
Bitcoin has shown many proofs for improving the living style of people who were previously living in poverty. I dont think so bitcoin has caused unemployment but there are many cases where bitcoin has provided people with some work for making their living. Even bitcoin has helped people in starting their own businesses by the money they had made from holding bitcoin and selling it off at right time.