(a) discriminations,

(b) rates, and

(c) the extension of Federal control authorized under the Act of 1920.

18. What is the greatest problem now before the Commission?

REQUIRED READINGS

1. Williamson, Readings in American Democracy, chapter xxviii.

Or all of the following:

2. Ely, Outlines of Economics, chapter xxvii.

3. Fetter, Modern Economic Problems, chapters xxvii and xxx.

4. King, Regulation of Municipal Utilities, chapter i.