Tax shifting ?

A. is the way in which a tax is structured
B. occurs when households can alter their behaviour and do something to avoid paying tax
C. occurs when taxes cause prices to increase but wages to fall.
D. is the ultimate distribution of a tax’s burden

Because people’s income vary other the life cycle and because there are transitory shocks to people’s incomes the standard measures of income distribution ?

A. exaggerate the inequality of living standards
B. could exaggerate or understate the inequality of living standards depending on whether the transitory shocks are positive or negative
C. understate the inequality of living standards
D. accurately represent the true inequality of living standards