"As far as we can judge from the written material, and the contacts we have had with public officials and people involved in prostitution, these fears have not been realised", concurring with the Board of Welfare assessment (above) that persons in prostitution are not worse off as an effect of the law.It was also noted that there were many limitations to evaluating the situation of prostitution in Sweden, due to the nature of prostitution and trafficking which are "complex and multifaceted social phenomena which partly occur in secret" and the fact that many empirical surveys had limited scope, and different methodologies and purposes.