The theory of Foreign Direct Investment (FDI) through Multinational Corporations (MNCs) indicates that FDI/MNC has significant impacts on a host country through three major channels. a. List and explain each of these three channels. b. There are several studies that have attempted to empirically investigate how these theoretical channels may affect a host country. What are the conclusions of these studies? Were there mostly positive impacts or negative impacts on a host country? Explain for each.