Which us president barred the christmas tree from being displayed in the white house?

Explain at least three factors economists consider the measurement of success, or shortcomings, of the economy? and give examples.

Newspaper started by john campbell:

Which is relatively better: a score of 76 on a psychology test or a score of 22 on an economics test? scores on the psychology test have a mean of 90 and a standard deviation of 13. scores on the economics test have a mean of 52 and a standard deviation of 10.