{smcl}
{com}{sf}{ul off}{txt}{.-}
       log:  {res}C:\guido\match\04feb_stata7\lalonde_exper_04feb2.smcl
  {txt}log type:  {res}smcl
 {txt}opened on:  {res} 3 Feb 2004, 17:58:42
{txt}
{com}. use lalonde_exper, clear
{txt}
{com}. matrix define mymat = I(4)
{txt}
{com}. gen weight=exp((educ-10.1)/2)
{txt}
{com}. gen u74=reo74
{txt}
{com}. 
. match re78 t age

{txt}Matching estimator:  Average Treatment Effect 

 {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 1785.191   686.7167     2.60   0.009     439.2511    3131.131
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age{p_end}

{hline 78}

{com}. 
. 
. match re78 t age educ re74 re75 

{txt}Matching estimator:  Average Treatment Effect 

Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 1714.407   740.1292     2.32   0.021     263.7806    3165.034
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}

{hline 78}

{com}. match

{txt}Matching estimator:  Average Treatment Effect 

Weighting matrix: default {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 1714.407   740.1292     2.32   0.021     263.7806    3165.034
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}

{hline 78}

{com}. 
. match re78 t age educ re74 re75, m(3)

{txt}Matching estimator:  Average Treatment Effect 

Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        3

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 1536.303   661.9304     2.32   0.020     238.9429    2833.662
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}

{hline 78}

{com}. match re78 t age educ re74 re75, tc(att)

{txt}Matching estimator:  Average Treatment Effect for the Treated

Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATT {c |}  {res} 1726.913   836.6296     2.06   0.039     87.14906    3366.677
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}

{hline 78}

{com}. match re78 t age educ re74 re75, tc(atc)

{txt}Matching estimator:  Average Treatment Effect for the Controls

Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATC {c |}  {res} 1705.509   820.0959     2.08   0.038      98.1503    3312.867
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}

{hline 78}

{com}. match re78 t age educ re74 re75, met(maha)

{txt}Matching estimator:  Average Treatment Effect 

Weighting matrix: Mahalanobis {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 1592.617   684.7298     2.33   0.020     250.5709    2934.663
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}

{hline 78}

{com}. match re78 t age educ re74 re75, met(mymat)

{txt}Matching estimator:  Average Treatment Effect 

Weighting matrix: mymat {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 1808.472   748.7374     2.42   0.016     340.9734     3275.97
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}

{hline 78}

{com}. match re78 t age educ re74 re75, bias(bias)

{txt}Matching estimator:  Average Treatment Effect 

Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 1630.915   745.2336     2.19   0.029     170.2842    3091.546
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}
{p 0 8 4}Bias-adj variables:  age educ re74 re75{p_end}

{hline 78}

{com}. match re78 t age educ re74 re75, bias(married age)

{txt}Matching estimator:  Average Treatment Effect 

Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 1719.687   743.6085     2.31   0.021     262.2407    3177.132
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}
{p 0 8 4}Bias-adj variables: married age{p_end}

{hline 78}

{com}. match re78 t age educ re74 re75, exact(age)

{txt}Matching estimator:  Average Treatment Effect 

Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 2007.633   817.0965     2.46   0.014     406.1533    3609.113
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}
{p 0 8 4}Exact matching variables: age{p_end}
{p 3 8 4}(Percent of exact matches: {res}94.79844{txt})

{hline 78}

{com}. match re78 t age educ re74 re75, exact(married u74)

{txt}Matching estimator:  Average Treatment Effect 

Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 1847.044   730.6551     2.53   0.011     414.9864    3279.102
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}
{p 0 8 4}Exact matching variables: married u74{p_end}
{p 3 8 4}(Percent of exact matches: {res}100{txt})

{hline 78}

{com}. match re78 t age educ re74 re75, var(pop)

{txt}Matching estimator: Population Average Treatment Effect 

Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        PATE {c |}  {res} 1714.407   743.3846     2.31   0.021        257.4    3171.414
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}

{hline 78}

{com}. match re78 t age educ re74 re75, rob(3)

{txt}Matching estimator:  Average Treatment Effect 

Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res}       445
{txt} {col 45}Number of matches  (m) = {res}        1
{txt}{col 45}Number of matches, 
{col 47}robust std. err. (h) = {res}        3

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 1714.407   696.2724     2.46   0.014     349.7383    3079.076
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}

{hline 78}

{com}. match re78 t age educ re74 re75 [w=weight]
{txt}(sampling weights assumed)

Matching estimator:  Average Treatment Effect 

Weighting matrix  : inverse variance {col 45}Number of obs {col 68}={res}       445
{txt}Weight variable: weight {col 45}Number of matches  (m) = {res}        1

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res}  3146.96   1070.915     2.94   0.003     1048.005    5245.914
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}

{hline 78}

{com}. 
. match re78 t age educ re74 re75 [w=weight], m(3) tc(att) met(mymat) bias(married age) exact(age) var(pop) rob(3)
{txt}(sampling weights assumed)

Matching estimator: Population Average Treatment Effect for the Treated

Weighting matrix  : mymat {col 45}Number of obs {col 68}={res}       445
{txt}Weight variable: weight {col 45}Number of matches  (m) = {res}        3
{txt}{col 45}Number of matches, 
{col 47}robust std. err. (h) = {res}        3

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        PATT {c |}  {res} 3821.193   742.9881     5.14   0.000     2364.963    5277.423
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74 re75{p_end}
{p 0 8 4}Bias-adj variables: married age{p_end}
{p 0 8 4}Exact matching variables: age{p_end}
{p 3 8 4}(Percent of exact matches: {res}66.251731{txt})

{hline 78}

{com}. match re78 t age educ re74 [w=weight], m(3) tc(ate) met(maha) bias(age re75) exact(married) 
{txt}(sampling weights assumed)

Matching estimator:  Average Treatment Effect ate

Weighting matrix  : Mahalanobis {col 45}Number of obs {col 68}={res}       445
{txt}Weight variable: weight {col 45}Number of matches  (m) = {res}        3

{txt}{hline 13}{c TT}{hline 64}
        re78 {c |}      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
{hline 13}{c +}{hline 64}
        SATE {c |}  {res} 2750.723   981.1038     2.80   0.005     827.7947    4673.651
{txt}{hline 13}{c BT}{hline 64}
{p 0 8 4}Matching variables:  age educ re74{p_end}
{p 0 8 4}Bias-adj variables: age re75{p_end}
{p 0 8 4}Exact matching variables: married{p_end}
{p 3 8 4}(Percent of exact matches: {res}100{txt})

{hline 78}

{com}. 
. 
. 
. log close
       {txt}log:  {res}C:\guido\match\04feb_stata7\lalonde_exper_04feb2.smcl
  {txt}log type:  {res}smcl
 {txt}closed on:  {res} 3 Feb 2004, 18:01:37
{txt}{.-}
{smcl}
{txt}{sf}{ul off}