The assumption of the occurrence of gain
spirals between job resources and work engagement entails that
they mutually foster each other (Hakanen & Roodt, 2010). When
crucial job resources are available, employees’ level of engagement
may be fostered over time, and this may enhance the likelihood of
taking advantage of the current job resources and being able to
create new ones. This shows that people tend to invest their extra
resources into positive endeavours (Salanova et al., 2010) and that
therefore they are likely to experience positive well-being and health
and better performances (Bakker, 2009).