welfare

A sample dataset to examine the effects of welfare waiver programs on welfare caseloads in the United States.

datasets

Implements the Principal Components Difference-in-Differences estimators as described in Chan, M. K., & Kwok, S. S. (2022) <doi:10.1080/07350015.2021.1914636>.

Xiaolei Wang

pcdid

Principal Components Difference-in-Differences

Marc Chan

welfare function

A data frame<dl>
 <dt>state</dt>
<dd>state name</dd> <dt>statenum</dt>
<dd>state id</dd> <dt>trend</dt>
<dd>time trend in months (oct1986 = 1, nov1986 = 2, etc.)</dd> <dt>treated</dt>
<dd>1 if the state is treated, 0 otherwise</dd> <dt>treated_post</dt>
<dd>1 if the state is treated and post-intervention, 0 otherwise</dd> <dt>lncase</dt>
<dd>Natural log of per-capita welfare caseload</dd> <dt>afdcben</dt>
<dd>Maximum combined AFDC/Food Stamps benefits for a family of three (in hundred dollar per month)</dd> <dt>unemp</dt>
<dd>unemployment rate</dd> <dt>empratio</dt>
<dd>Natural log of employment-to-population ratio</dd> <dt>mon_d2</dt>
<dd>seasonal dummy (apr-jun)</dd> <dt>mon_d3</dt>
<dd>seasonal dummy (jul-sep</dd> <dt>mon_d4</dt>
<dd>seasonal dummy (oct-dec)</dd> <dt>caseload</dt>
<dd>welfare caseload</dd> <dt>popn</dt>
<dd>population</dd> <dt>empratio_raw</dt>
<dd>raw employment-to-population ratio</dd> <dt>south</dt>
<dd>1 if the state is in the south, 0 otherwise</dd> <dt>control</dt>
<dd>1 if the state is a control unit, 0 otherwise</dd> <dt>T0</dt>
<dd>Number of preintervention periods for the state (=117 if control state)</dd>
</dl>

Format

Welfare caseloads data — welfare

A data frame<dl>
 <dt>state</dt>
<dd>state name</dd>

 <dt>statenum</dt>
<dd>state id</dd>

 <dt>trend</dt>
<dd>time trend in months (oct1986 = 1, nov1986 = 2, etc.)</dd>

 <dt>treated</dt>
<dd>1 if the state is treated, 0 otherwise</dd>

 <dt>treated_post</dt>
<dd>1 if the state is treated and post-intervention, 0 otherwise</dd>

 <dt>lncase</dt>
<dd>Natural log of per-capita welfare caseload</dd>

 <dt>afdcben</dt>
<dd>Maximum combined AFDC/Food Stamps benefits for a family of three (in hundred dollar per month)</dd>

 <dt>unemp</dt>
<dd>unemployment rate</dd>

 <dt>empratio</dt>
<dd>Natural log of employment-to-population ratio</dd>

 <dt>mon_d2</dt>
<dd>seasonal dummy (apr-jun)</dd>

 <dt>mon_d3</dt>
<dd>seasonal dummy (jul-sep</dd>

 <dt>mon_d4</dt>
<dd>seasonal dummy (oct-dec)</dd>

 <dt>caseload</dt>
<dd>welfare caseload</dd>

 <dt>popn</dt>
<dd>population</dd>

 <dt>empratio_raw</dt>
<dd>raw employment-to-population ratio</dd>

 <dt>south</dt>
<dd>1 if the state is in the south, 0 otherwise</dd>

 <dt>control</dt>
<dd>1 if the state is a control unit, 0 otherwise</dd>

 <dt>T0</dt>
<dd>Number of preintervention periods for the state (=117 if control state)</dd>


</dl>

welfare: Welfare caseloads data

Description

Usage

Arguments

Format

References