Selecting Large Portfolios of Social Projects in Public Organizations

Table 2

Specific characteristics.

Paper	Balance constraints	Tasks	Interdependencies	Scheduling	Risk
Ghasemzadeh and Archer, 2000 [18]	No	No	General	Multiple periods	As an attribute of portfolio
Stummer and Heidenberger, 2003 [4]	No	No	Benefit, increment, or decrement in resources consumption	Multiple periods	No
Wang and Hwang, 2007 [6]	No	No	No	Single period	Risk aversion
Gutjahr et al., 2008 [7]	No	Yes	No	Multiple periods	No
Carazo et al., 2010 [5]	No	No	Benefit, increment, or decrement in resources consumption	Multiple periods	As an attribute in portfolio
Gutjahr et al., 2010 [8]	No	Yes	No	Multiple periods	No
Litvinchev et al., 2010 [15]	No	No	No	Single period	Neutral position
Litvinchev et al., 2011 [16]	Yes	Yes	Benefit, increment, or decrement in resources consumption	Single period	Neutral position
Gutjahr and Froeschl, 2013 [9]	No	Yes	Yes	Multiple periods	Risk aversion by penalizing the variance of the return