The Bureau of Labor Statistics unveils an unemployment rate figure every

All of the following are true, except

a. Bubbles are prices that cannot be explained by normal economic forces b. Many economists don't think bubbles exist c. Many economists have a clear idea about how to model bubbles d. All of the above are true

The popular theory prior to the Great Depression that the economy will automatically adjust to achieve full employment in the long run is:

a. supply-side economics. b. Keynesian economics. c. classical economics. d. mercantilism