Author : Takahashi, Yoshi


The Role of Ego Depletion and Autonomy in the Relationship Between Time-pressure and Knowledge-based Behavior

Roksana Binte Rezwan; Yoshi Takahashi; Nu Nu Mai

International Journal of Organizational Leadership, 2021, Volume 10, Issue 2, Pages 214-232
DOI: 10.33844/ijol.2021.60527

This research explored the mechanisms by which time-pressure may influence different
knowledge-based behavior, e.g., knowledge sharing and knowledge hiding. Based on the strength
model of self-control, we proposed that ego depletion may explain why time-pressure may
decrease knowledge sharing and increase knowledge hiding. Moreover, based on the job demand
control model, we also proposed that job autonomy would weaken the positive association
between time-pressure and ego depletion. To test our hypotheses, we conducted a daily diary study
over ten workdays. We recruited 24 employees from a post-graduate class in a university in
Myanmar to participate in our study and made 153 observations. We found that time-pressure was
associated with increased ego depletion. We also found a positively but marginally significant
association between time-pressure and evasive knowledge hiding and playing dumb knowledge
hiding. A small negative mediation effect of ego depletion was found on the relationship between
time-pressure and knowledge sharing. Moreover, we found a significant moderation effect of job
autonomy on the relationship between time-pressure and ego depletion. This study contributes to
extant research by exploring for the first time the underlying mechanisms by which time-pressure
influences knowledge sharing and clarifying the mixed results found in previous studies of the
relationship between time-pressure and knowledge hiding







Investigating Work Engagement of Highly Educated Young Employees through Applying the Job Demands-Resources Model

Widdy Muhammad Sabar Wibawa; Yoshi Takahashi; Corina D. Riantoputra

International Journal of Organizational Leadership, 2021, Volume 10, Issue 1, Pages 89-102
DOI: 10.33844/ijol.2021.60519

This study aims to investigate the applicability of the job demands and resources (JD-R)
model. While prior studies tend to focus on older employees, we investigate the potentially
effective job resources and demands specifically for the highly educated young individuals
that are the future of any organization. We collected primary cross-sectional data from 155
respondents in Indonesia with master’s or doctoral degrees, under 40 years of age, currently
working in public and private sectors. Participants completed an online questionnaire by
following a link distributed by email. PLS-SEM was used to analyze data regarding the
relationships between job resources (perceived organizational support (POS) and employee
voice), job demands (emotional demands), and work engagement. Our results indicated the
relationships for POS positively and emotional demands negatively with work engagement,
while employee voice was not significantly correlated with work engagement. Emotional
demands are considered to be perceived as stress rather than opportunity. Furthermore,
emotional demands did not moderate the correlation of POS and employee voice with work
engagement. A multi-group analysis found no significant differences between employees in
the private and public sectors. The results showed the JD-R model was partially applicable.
This study is one of few seeking to apply the JD-R model to highly educated young employees
in the private and public sectors. The specific results of this study will provide insight for the
organizations employing such individuals.