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NTU Management Review Vol. 32 No. 2 Aug. 2022

of impact on job burnout. Furthermore, scholars have indicated that some important
moderating variables have not been identified or explored in-depth in the relationship
between heavy work investment and its outcomes (Junker, Kaluza, Häusser, Mojzisch,
van Dick, Knoll, and Demerouti, 2021). Therefore, our goal is to further clarify “under

which conditions” the effects of workaholism and work engagement on job burnout are
exacerbated or mitigated.
Drawing on the effort-recovery theory (Meijman and Mulder, 1998) and the

perspective from conservation of resources theory (Hobfoll, 1989, 2002), we investigate
the relationship between heavy work investment and job burnout, and propose two
moderating factors—health promotion (an explicit factor) and psychological capital (an
implicit factor)—that help employees recover from heavy work investment. By identifying
the moderators in this relationship, our study fills the current research gaps in heavy work

investment, contributes to the development of the effort-recovery theory, and expands
the application of the conservation of resources theory. Our theoretical framework is
illustrated in Figure 1.

Health Promotion

Workaholism

Job Burnout

Work Engagement

Psychological Capital

Figure 1 Theoretical Framework

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