Selecting Large Portfolios of Social Projects in Public Organizations

Table 6

QR (a) and PR (b) for instances of P1000A2T15S80.

(a)

Projects with reduction (in %)	Reduction index 𝛾 (in %)
	10	30	50	90	95	100
25	0.770	1.066	1.614	8.833	9.123	9.236
50	0.903	2.127	3.355	12.525	13.251	13.664
75	1.178	3.240	4.806	16.196	17.662	17.930
100	1.594	4.360	6.217	19.996	21.760	22.157

(b)

Projects with reduction (in %)	Reduction index 𝛾 (in %)
	10	30	50	90	95	100
25	0.811	3.744	6.172	12.461	12.882	13.047
50	2.386	7.456	12.476	22.131	23.036	23.546
75	3.614	11.195	18.733	31.243	32.798	33.440
100	4.849	14.914	24.714	40.698	42.640	43.480