Variable | Unmatched | Mean | Â | Â | t-test | Â | Â | ||
---|---|---|---|---|---|---|---|---|---|
 | Matched | Regulated | Non-regulated | %bias | reduct % bias | |t| | p > |t| | V (T)/V (C) | |
Competition | U | 21,7330 | 65,828 | −61,4 |  | −4,74 | *** | 0.03a |  |
 | M | 25,3920 | 17,706 | 10,7 | 82,6 | 1,66 |  | 0,59 |  |
Disabled individuals (municipality) | U | 122,4500 | 234,24 | −53,4 |  | −4,27 | *** | 0.11a |  |
 | M | 122,4500 | 140,16 | 14,5 | 72,9 | 1,39 |  | 0,62 |  |
Population | U | 46148 | 1,10E + 05 | −55,9 |  | −4,36 | *** | 0.05a |  |
 | M | 46148 | 47888 | 11,1 | 80,2 | 1,6 |  | 0,70 |  |
Number of staff | U | 36,7270 | 8,361 | 25,9 | Â | 4,93 | *** | 18.63a | Â |
 | M | 36,7270 | 4,9444 | 26,6 | −2,4 | 1,09 |  | 17.12a |  |
Average rental rate (municipality) | U | 8,8493 | 10,065 | −64,0 |  | −5,39 | *** | 0.25a |  |
 | M | 8,8493 | 8,9803 | 15,3 | 76,1 | 1,27 |  | 0,62 |  |
Risk rating | U | 1,0189 | 1,1913 | −27,3 |  | −2,30 | * | 0.55a |  |
 | M | 1,0189 | 1,125 | 4,5 | 83,5 | 1,00 |  | -a |  |
Quality_2007 | U | 73,3420 | 68,786 | 40,0 | Â | 4,32 | *** | 1,23 | Â |
 | M | 73,3420 | 73,36 | 14,2 | 64,6 | 0,72 |  | 1,45 |  |
a if variance ratio outside [0.69; 1.44] for U and [0.57; 1.75] for M | |||||||||
Results are called by using psmatch2 in Stata | |||||||||
 |  | Ps R2 | LR chi2 | p > chi2 | MeanBias | MedBias | B | R | % Var |
Sample | |||||||||
Unmatched | Â | 0,119 | 74,01 | 0,000 | 46,9 | 53,4 | 75.1b | 0.09b | 86 |
Matched | Â | 0,039 | 5,46 | 0,486 | 13,8 | 14,2 | 46.1b | 0,66 | 29 |
b if B > 25%, R outside [0.5; 2] |