# **Table A.2 Linear and Probit Regression Estimates: Performance Differences between PSM Themes (measured as % of total project components)**

|||Linear(OLS)Regressio<br>|n<br>|Probit R|egression(Marginal Effect<br>|s Reported)<br>|
|---|---|---|---|---|---|---|
|||PSM Projects|PSM Projects||PSM Projects|PSM Projects|
|Variable|All Projects|(broad definition)|(narrow definition)|All Projects|(broad definition)|(narrow definition)|
||(1)<br>IEG Outcome<br>Rating [binary]|(2)<br>IEG Outcome<br>Rating [binary]|(3)<br>IEG Outcome Rating<br>[binary]|(4)<br>IEG Outcome<br>Rating [binary]|(5)<br>IEG Outcome Rating<br>[binary]|(6)<br>IEG Outcome Rating<br>[binary]|
|Administrative and Civil|||||||
|Service Reform|-0.00288***|-0.00213**|-0.00373**|-0.00268***|-0.00204**|-0.00365**|
||(0.000916)|(0.000927)|(0.00166)|(0.000805)|(0.000863)|(0.00161)|
|Decentralization|0.000776|0.00163|-0.00195|0.000802|0.00175|-0.00205|
||(0.00127)|(0.00133)|(0.00478)|(0.00132)|(0.00144)|(0.00447)|
|Public Expenditure, Financial|||||||
|Management, and|||||||
|<br>Procurement|-0.00184|-0.00148|-0.00175|-0.00173|-0.00144|-0.00176|
||(0.00124)|(0.00129)|(0.00160)|(0.00110)|(0.00120)|(0.00151)|
|Tax Policy and<br>Administration|0.00280**|0.00308**|0.00214|0.00338|0.00384|0.00309|
||(0.00135)|(0.00139)|(0.00159)|(0.00230)|(0.00243)|(0.00295)|
|Other Accountability/Anti-<br>Corruption|-0.00164|-0.00174|-0.00355|-0.00149|-0.00165|-0.00338|
||(0.00313)|(0.00316)|(0.00350)|(0.00285)|(0.00297)|(0.00313)|
|Other Public Sector|||||||
|Governance|0.000223|4.16e-05|-0.00421|0.000278|8.99e-05|-0.00400|
||(0.00135)|(0.00150)|(0.00281)|(0.00140)|(0.00155)|(0.00259)|
|Constant|0.738***<br>(0.0185)|0.709***<br>(0.0264)|0.804***<br>(0.0659)||||
|Observations|3,202|1,097|178|3,202|1,097|178|
|R-squared|0.008|0.013|0.068||||
|Robust Standard Errors in Parent<br>***p<0.01,**p<0.05,*p<0.1|heses||||||

_Note:_ IEG = International Evaluation Group.

**Table A.3 Difference-in-Means Test between PSM and Non-PSM Projects: Continuous Country Context Factors (non-WDI)**

||Non|-PSM Projec|ts|PS<br>(bro|M Projects<br>adlydefined|)||Difference in Means in||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|Variable|N|Mean|SD|N|Mean|SD|Difference in Means<br>(absolute value)|<br>SD of Non-PSM<br>|T-score|Robust<br>SE|Missing<br>Observations|
|Programmatic Political Parties||||||||projects||||
|Share of Political Parties|1,960|0.7|0.4|1004|0.6|0.4|-0.021|-0.053|-1.385|-0.015|238|
|WGI [all units SDN]||||||||||||
|WGI Control of Corruption|842|-0.5|0.5|490|-0.5|0.5|-0.043|-0.090|-1.517|-0.029|1,870|
|WGI Government Effectiveness|842|-0.4|0.5|490|-0.4|0.5|-0.048*|-0.099*|-1.724|-0.028|1,870|
|WGI Political Stability and<br>Absence of Violence|848|-0.6|0.8|489|-0.6|0.8|0.014|0.017|0.302|-0.045|1,865|
|WGI Rule of Law|850|-0.5|0.6|490|-0.6|0.6|-0.065**|-0.116**|-2.028|-0.032|1,862|
|WGI Regulatory Quality|843|-0.3|0.6|490|-0.3|0.6|0.014|0.024|0.425|-0.033|1,869|
|WGI Voice and Accountability|850|-0.4|0.7|490|-0.3|0.6|0.110***|0.155***|2.909|-0.038|1,862|
|CPIA||||||||||||
|CPIA 12 Property Rights and<br>Rule-base Governance|614|3.1|0.6|400|3|0.7|-0.034|-0.053|-0.819|-0.042|2,188|
|CPIA 13 Quality of Budgetary<br>and Financial Management|614|3.6|0.6|400|3.5|0.6|-0.067*|-0.114*|-1.748|-0.038|2,188|
|CPIA 14 Efficiency of Revenue<br>Mobilization|614|3.6|0.6|400|3.5|0.6|-0.055|-0.099|-1.516|-0.036|2,188|
|CPIA 15 Quality of Public<br>Administration|614|3.3|0.5|400|3.2|0.5|-0.047|-0.087|-1.351|-0.035|2,188|
|CPIA 16 Transparency<br>Accountability and Corruption|614|3.1|0.6|400|3|0.7|-0.082**|-0.134**|-1.993|-0.041|2,188|
|FH, POLITY, and ICRG||||||||||||
|FH Civil Liberties Rating [1–7]|2,057|4.2|1.4|1,088|4|1.3|-0.265***|-0.186***|-5.339|-0.05|57|
|FH Political Rights Rating [1–7]|2,057|4.1|1.9|1,088|3.9|1.8|-0.255***|-0.132***|-3.688|-0.069|57|
|POLITY Institutionalized<br>Autocracy Score [0–10]|2,011|-0.3|15.3|1,064|-1.4|16.4|-1.054*|-0.069*|-1.733|-0.608|127|
|POLITY Institutionalized<br>Democracy Score [0–10]|2,011|1.5|15.7|1,064|1.2|17.1|-0.337|-0.021|-0.533|-0.631|127|
|<br>POLITY Combined Polity Score<br>[–10–10]|1,986|1.8|6.4|1,047|2.6|5.9|0.770***|0.120***|3.310|-0.233|169|
|ICRG Democratic Accountability<br>Rating [0–6]|1,754|3.4|1.4|884|3.6|1.3|0.166***|0.122***|3.073|-0.054|564|
|ICRG Bureaucracy Quality<br>Rating [0–6]|1,754|1.9|0.8|884|1.8|0.8|-0.124***|-0.149***|-3.579|-0.035|564|

_Note:_ WGI = World Governance Indicators; CPIA = Country Policy and Institutional Assessments; FH = Freedom House; ICRG = International Country Risk Guide.

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