Panel Period	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999
Jan-Jun	0.062	0.028	0.019	0.026	0.007	0.021	0.022	0.068	0.024	0.035
N of Obs.	0.013	0.015	0.017	0.020	0.014	0.018	0.014	0.020	0.014	0.022
R² (adj)	4,140	4,070	4,305	3,950	3,955	3,570	3,930	3,760	3,825	3,570
s.e.e.	0.03	0.02	0.01	0.02	0.01	0.01	0.01	0.03	0.02	0.02
2.3e+5	2.5e+5	2.8e+5	3.0e+5	2.2e+5	3.0e+5	2.3e+5	2.9e+5	2.1e+5	2.7e+5
Feb-Jul	-0.001	0.032	0.017	0.029	0.016	-0.012	0.015	0.021	0.026	0.020
N of Obs.	0.009	0.010	0.013	0.012	0.011	0.011	0.012	0.013	0.014	0.014
R² (adj)	4,260	4,470	4,150	3,960	4,050	3,850	3,975	3,705	3,530	3,760
s.e.e.	0.01	0.02	0.01	0.02	0.02	0.02	0.00	0.02	0.01	0.02
2.4e+5	2.7e+5	3.4e+5	3.0e+5	2.6e+5	2.8e+5	3.0e+5	3.1e+5	3.3e+5	3.0e+5
Mar-Aug	0.019	0.026	0.047	0.008	0.010	0.007	0.027	0.005	0.047	0.018
N of Obs.	0.008	0.009	0.010	0.009	0.008	0.011	0.011	0.011	0.010	0.011
R² (adj)	4,410	4,325	4,090	4,145	4,085	3,960	3,755	3,635	3,815	3,670
s.e.e.	0.01	0.01	0.01	0.00	0.01	0.01	0.01	0.01	0.02	0.01
2.3e+5	2.8e+5	2.8e+5	2.7e+5	2.4e+5	2.8e+5	3.0e+5	2.8e+5	2.6e+5	2.7e+5
Apr-Sep	0.029	-0.011	0.041	0.033	-0.016	0.012	0.007	-0.016	0.006	0.009
N of Obs.	0.010	0.010	0.008	0.011	0.009	0.010	0.010	0.010	0.011	0.011
R² (adj)	4,235	4,170	4,125	3,950	4,045	3,750	3,880	3,815	3,765	3,735
s.e.e.	0.01	0.00	0.04	0.01	0.01	0.01	0.00	0.00	0.01	0.01
3.0e+5	2.8e+5	2.3e+5	2.9e+5	2.5e+5	2.5e+5	2.7e+5	2.9e+5	2.8e+5	2.6e+5
May-Oct	0.054	0.018	0.043	0.033	0.038	0.031	0.006	0.013	0.021	0.004
N of Obs.	0.009	0.008	0.010	0.009	0.008	0.009	0.010	0.008	0.009	0.009
R² (adj)	4,260	4,205	4,055	4,060	3,985	4,145	4,035	3,895	3,720	3,710
s.e.e.	0.02	0.02	0.01	0.01	0.01	0.01	0.00	0.01	0.00	0.01
2.7e+5	2.2e+5	2.7e+5	2.6e+5	2.2e+5	2.5e+5	2.8e+5	2.4e+5	2.4e+5	2.2e+5
Jun-Nov	0.046	0.022	0.039	0.018	-0.000	0.047	0.002	0.033	-0.020	0.029
N of Obs.	0.010	0.012	0.010	0.012	0.014	0.014	0.012	0.012	0.013	0.014
R² (adj)	4,105	4,075	4,110	4,070	3,965	4,025	4,085	3,850	3,895	3,630
s.e.e.	0.01	0.01	0.01	0.01	0.01	0.01	0.00	0.01	0.00	0.01
2.4e+5	3.0e+5	2.5e+5	2.9e+5	3.3e+5	3.3e+5	2.9e+5	2.8e+5	2.8e+5	3.1e+5
Jul-Dec	0.045	0.050	0.050	0.053	0.087	0.037	0.045	0.058	0.016	0.029
N of Obs.	0.011	0.013	0.011	0.012	0.012	0.012	0.012	0.014	0.015	0.015
R² (adj)	4,290	4,165	4,080	4,105	4,050	4,095	4,105	3,815	3,835	3,640
s.e.e.	0.05	0.03	0.04	0.04	0.04	0.03	0.03	0.02	0.02	0.01
2.4e+5	2.8e+5	2.5e+5	2.5e+5	2.6e+5	2.5e+5	2.6e+5	2.7e+5	3.0e+5	2.5e+5
Aug-Jan	0.078	0.057	0.080	0.065	0.050	0.027	0.056	0.045	0.037
N of Obs.	0.010	0.011	0.010	0.013	0.011	0.012	0.012	0.011	0.013
R² (adj)	4,205	4,100	3,965	4,120	4,165	3,905	3,770	3,760	3,820
s.e.e.	0.09	0.07	0.09	0.03	0.05	0.04	0.05	0.05	0.03
2.5e+5	2.9e+5	2.5e+5	3.3e+5	2.9e+5	2.8e+5	2.9e+5	2.5e+5	3.2e+5
Sep-Feb	0.046	0.040	0.079	0.029	0.058	0.080	0.032	0.052	0.065
N of Obs.	0.010	0.009	0.013	0.009	0.011	0.011	0.011	0.012	0.013
R² (adj)	4,290	4,265	3,805	4,185	4,170	4,090	3,720	3,810	3,695
s.e.e.	0.07	0.07	0.06	0.06	0.06	0.05	0.05	0.03	0.03
2.7e+5	2.5e+5	3.1e+5	2.3e+5	2.7e+5	2.9e+5	2.6e+5	2.8e+5	2.8e+5
Oct-Mar	0.025	0.063	0.068	0.053	0.053	0.061	0.049	0.055	0.038
N of Obs.	0.010	0.010	0.010	0.010	0.012	0.011	0.012	0.012	0.013
R² (adj)	4,015	3,900	3,810	3,845	3,750	3,810	3,630	3,675	3,805
s.e.e.	0.08	0.10	0.07	0.09	0.04	0.06	0.05	0.04	0.04
2.7e+5	2.6e+5	2.4e+5	2.4e+5	3.1e+5	2.7e+5	3.1e+5	2.8e+5	2.8e+5
Nov-Apr	0.061	0.058	0.061	0.045	0.086	0.075	0.055	0.060	0.030
N of Obs.	0.008	0.010	0.011	0.010	0.012	0.011	0.014	0.012	0.013
4,145	4,035	3,955	3,785	4,020	3,885	3,705	3,815	3,670
R² (adj)	0.10	0.07	0.06	0.08	0.06	0.06	0.04	0.06	0.04
2.2e+5	2.7e+5	2.7e+5	2.6e+5	2.9e+5	2.7e+5	3.5e+5	2.8e+5	2.7e+5
Dec-May	0.068	0.040	0.002	0.067	0.043	0.055	0.054	0.046	0.026
N of Obs.	0.013	0.014	0.017	0.014	0.013	0.015	0.020	0.025	0.016
4,175	4,120	3,725	4,025	3,975	3,950	3,645	3,750	3,585
R² (adj)	0.06	0.04	0.02	0.04	0.04	0.02	0.03	0.02	0.03
s.e.e.	2.7e+5	2.8e+5	3.2e+5	2.6e+5	2.6e+5	2.9e+5	3.4e+5	4.2e+5	2.6e+5

Note: The coefficients on the change in head of household income in specification (1). The figures in the second line are standard errors. The change is defined as change in levels of head's income. The years in the columns refer to that each panel begins.