I think the answer is B, sorry if I'm wrong and that responded so late after you asked.
Environmental-protection laws can be bad for the economy
because they may increase unemployment. This is because The passage of
environmental-protection laws may result in higher prices which will in turn
stifle market demand. Falling demand will result in firms decreasing supply and
laying off workers.
Answer:
Case study.
Explanation:
A case study is simply research method that entails of a detailed account that contains useful information of a sad person or group in an organisation or a place. In a making a swift or correct case study, some steps and correct facts are needed to be known without mincing words which include, having a set number of people, knowing the person that is been researched on totally, tangible evidences etc. A formal research method is been carried out in the cause of a case study which are seen easily in formal research venues, as professional conferences, and journals rather than in popular works.