Resource Unconstrained and Constrained Project Scheduling Problems and Practices in a Multiproject Environment

Table 1

Challenges in a multiproject environment (MPE).

	Challenges	Reference(s)
1	Division and assignment of resources/resource allocation	[2, 4, 9, 25–27]
2	Organizational culture	[26, 27]
3	Management support	[4]
4	Prioritization/project selection	[4, 25]
5	Real-time monitoring and proactive decision making	[23]
6	Capacity (resource)	[7, 24]
7	Complexity (multiple interfaces between the projects)	[2, 7]
8	Conflict (people, system, and firm issues)	[7]
9	Commitment	[4, 7, 24]
10	Context (regulative, normative, and cognitive)	[7, 9, 24]
11	Communication	[4, 25]
12	Coordination	[24]
13	Volatile economic environment	[2]
14	Dynamic nature	[24]
15	Duration and resources (cascade effect)	[24]
16	Competencies of project manager	[4, 25–27]
17	Project manager assignment	[27]
18	Project management processes (information sharing)	[25, 27]