multinationals beneficial or harmful to developing nations

1) On the whole, are multinationals beneficial or harmful to developing nations? Explain

2) Why doesn’t the type of decision-making process a consumer uses stay constant?

then answer those two questions with a paragraph each:

1. How involved should governments be in regulating foreign trade? Are free markets better than regulated markets, or vice versa?
2. Can anyone become an opinion leader? Why or why not?