If personal income taxes and business taxes increase, then this will:

Advances in technology and growth in human capital ________ because ________

A) shift the productivity curve downward; labor and capital become less productive B) shift the productivity curve upward; labor and capital become less productive C) shift the productivity curve upward; labor and capital become more productive D) do not shift the productivity curve; there is a movement along the productivity curve E) shift the productivity curve downward; labor and capital become more productive

Which of the following firms is not able to practice price discrimination?

A) commercial airlines B) the largest wheat farmer in Nebraska C) land-line telephone companies D) movie theaters