Partial profile · Book Profile — full narrative profile planned
A meta-analysis on social exchange relationships and employee innovation in teams
A meta-analysis showing that horizontal team-member exchange fosters employee innovation more strongly than vertical leader-member exchange, working through cognitive, motivational, and affective mechanisms.
A profile of this book is on the way.
What it’s about
Drawing on 231 empirical studies and over 78,000 employees, this meta-analysis systematically compares the two dominant forms of workplace social exchange relationships—Leader-Member Exchange (LMX) and Team-Member Exchange (TMX)—in their power to drive employee innovation. Using relative weight analysis and meta-analytic structural equation modeling, the authors demonstrate that both relationships positively predict innovation but that TMX, the horizontal exchange among peers, is relatively more effective than the vertical LMX with supervisors. They further unpack the black box, showing that cognition and motivation mediate both relationships while affect uniquely mediates the LMX-innovation link. For managers, researchers, and organizations concerned with sustaining competitive advantage through innovation, the book offers evidence-based guidance on where to invest limited relational time and how to activate the psychological mechanisms that turn trust and support into new ideas.
The through-line
- Who it’s for
- A manager, HR practitioner, or organizational researcher who wants to reliably foster employee innovation and sustain competitive advantage through better workplace relationships.
- The problem
- It is unclear whether limited relational time and resources should be invested in leader-member relationships or in peer relationships to boost innovation. They feel uncertain and overwhelmed by inconsistent, fragmented research findings about what actually drives innovation.
- The plan
- Recognize that both vertical (LMX) and horizontal (TMX) exchange relationships drive innovation.
- Prioritize building high-quality team-member exchange, which has the stronger relative effect.
- Still cultivate high-quality leader-member exchange through training in communication, emotional intelligence, and fair, consistent leadership.
- Activate cognitive and motivational mechanisms via innovation training, workshops, brainstorming, and rewards.
- Leverage affective mechanisms through positive feedback, recognition, and an inclusive work environment.
- The payoff
- Employees generate, promote, and implement more new ideas. · Teams show stronger cohesion, information sharing, and psychological support for risk-taking. · The organization sustains competitive advantage through continuous innovation.
See our guide
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