Best effects, it would be a matter of having more workers in Thai society, it is a problem because the Thai society to deal with this part of the foreign labour, not to create problems and legitimate.
The effect is a matter of having more workers in Thailand Thailand because it was difficult for society to deal with migrants this section does not create problems and legal.
The effects would be a matter of having more and more workers in Thai society makes it a problem to the society because of the need to deal with foreign workers this part do not cause problems, and legal.