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CHAPTER 4. YEAR-END SPENDING 194<br />

Table 4.8: Difference-<strong>in</strong>-Differences Estimates of Overall Rat<strong>in</strong>g on Justice <strong>and</strong> Last<br />

Week<br />

OLS Estimates<br />

(1) (2) (3) (4) (5) (6)<br />

Justice X last week 3.54 2.29 2.85 2.36 2.251 2.49<br />

(1.19) (1.16) (0.75) (0.65) 0.593 0.898<br />

Last week -1.91 -1.06 -0.93 -0.99 -0.814 -0.468<br />

(1.10) (0.82) (0.48) (0.39) 0.391 0.238<br />

Justice 0.06 -0.59 -3.33 -3.88 -4.022 -2.028<br />

(0.51) (0.49) (0.47) (0.59) 0.578 1.01<br />

Year FE X X X X X<br />

Agency FE X X X X<br />

Project characteristics X X X<br />

Weighted by spend<strong>in</strong>g X X X X W<strong>in</strong>sorized*<br />

R-squared 0.06 0.22 0.58 0.68 0.60 0.48<br />

N 686 686 686 686 686 686<br />

Source: I.T. Dashboard data, accessed March, 2010 via http://it.usaspend<strong>in</strong>g.gov<br />

Notes: Coefficients from OLS regressions of overall rat<strong>in</strong>g on fully <strong>in</strong>teracted Justice <strong>and</strong> last week<br />

<strong>in</strong>dicators <strong>and</strong> controls. Overall rat<strong>in</strong>g is a quality <strong>in</strong>dex that comb<strong>in</strong>es that CIO evaluation, cost rat<strong>in</strong>g,<br />

<strong>and</strong> schedul<strong>in</strong>g rat<strong>in</strong>g sub<strong>in</strong>dexes (see text for details). It takes values from 0 to 10, with 10 be<strong>in</strong>g the<br />

best score. Project characteristics are fixed effects for <strong>in</strong>vestment phase, service group, <strong>and</strong> l<strong>in</strong>e of<br />

bus<strong>in</strong>ess (see Table 5). Robust st<strong>and</strong>ard errors <strong>in</strong> parentheses.<br />

*Spend<strong>in</strong>g weight W<strong>in</strong>sorized at $1 billion (96th percentile).

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