1. Government transfer and tax policies increase the income share of the lowest quintile of the income distribution from about ________ percent to about ________ percent.
2. The college premium is defined as the percentage difference between the incomes of ________ and ________. It is currently about ________ percent.
3. Arrows up or down: Since 1970, the income share of the top fifth of the income distribution has ________, while the shares of the lowest and middle fifths have ________.
4. Arrows up or down: An important factor in growing inequality over the last 30 years is technological change that has ________ the demand for college graduates and ________ the demand for less educated workers.