| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | blinder-oaxaca decomposition of the difference in the probability of holding an resp between economic families in the top and bottom income quintiles |  |  |  |  |
| 3 |  | 1999 |  | 2012 |  |
| 4 |  | coefficient | bootstrap standard error | coefficient | bootstrap standard error |
| 5 | top after-tax income quintile | 0.318 | 0.028 | 0.679 | 0.023 |
| 6 | bottom after-tax income quintile | 0.098 | 0.011 | 0.253 | 0.025 |
| 7 | top after-tax income quintile minus bottom after-tax income quintile | 0.219 | 0.030 | 0.426 | 0.035 |
| 8 | explained portion of difference | 0.136 | 0.028 | 0.302 | 0.051 |
| 9 | unexplained portion of difference | 0.083 | 0.044 | 0.123 | 0.070 |
| 10 | detailed explained components |  |  |  |  |
| 11 | net worth | 0.077 | 0.025 | 0.184 | 0.044 |
| 12 | parental education | 0.052 | 0.017 | 0.103 | 0.023 |
| 13 | parental age | 0.007 | 0.009 | -0.008 | 0.017 |
| 14 | parental marital status | 0.007 | 0.006 | 0.031 | 0.015 |
| 15 | number of children | -0.008 | 0.005 | -0.012 | 0.008 |
| 16 | age of youngest child | 0.004 | 0.007 | 0.003 | 0.018 |
| 17 | age of oldest child | -0.011 | 0.006 | -0.009 | 0.013 |
| 18 | region | 0.008 | 0.005 | 0.005 | 0.005 |
| 19 | urban/rural status | -0.001 | 0.005 | 0.005 | 0.003 |

Question: overall, what proportion of the 21.9 percentage point difference could be explained by differences in socioeconomic characteristics in 1999?
Answer: 0.136

Question: how much did differences in net worth (less resps) accounted for of the overall difference in the resp participation rate between families in the top and bottom income quintiles in 1999?
Answer: 0.077

Question: what was the proportion of differences in net worth (less resps) of the overall difference in the resp participation rate between families in the top and bottom income quintiles in 1999?
Answer: 0.351598

Question: how much did differences in parental education accounted for of the overall difference in the resp participation rate between families in the top and bottom income quintiles in 1999?
Answer: 0.052

Question: what was the proportion of differences in parental education of the overall difference in the resp participation rate between families in the top and bottom income quintiles in 1999?
Answer: 0.237443

Question: how many times was the gap in resp participation between families in the top and bottom income quintiles in 2012 than that in 1999?
Answer: 1.945205

Question: overall, how much of the 42.6 percentage points could be explained by differences in socioeconomic characteristicins 2012?
Answer: 0.302

Question: overall, what proportion of the 42.6 percentage points could be explained by differences in socioeconomic characteristicins 2012?
Answer: 0.70892

Question: how much did differences in net worth (less resps) account for of the overall difference in resp participation rates across income quintiles in 2012?
Answer: 0.431925

Question: how much did differences in parental education account for of the overall difference in resp participation rates across income quintiles in 2012?
Answer: 0.241784

Question: how much did differences in marital status account for of the overall difference in resp participation rates across income quintiles in 2012?
Answer: 0.07277