(Two-line essay) Why do you think the of this regression is so small? (Note that different answers are possible. What is important is to have a clear, concise, and correct economic argument.) e. (Three-line essay) Are the errors in this model more likely to be homoskedastic or heteroskedastic? Why? (Again, what is most important is not the final answer you have, but that you arrive to it with a clear, concise, and correct economic argument.)