For decades, economic theory has largely hinged on the assumption that people require financial incentives to act with honesty and integrity within organizations. This foundational belief underpins performance-based pay systems widely used across industries. However, groundbreaking research emerging from the University of Technology Sydney (UTS) is challenging this orthodoxy, suggesting that trustworthiness and moral character may offer superior efficiency to monetary incentives.
The study revisits the classic principal-agent model, a framework that traditionally assumes agents will shirk honesty unless motivated by tangible rewards. Associate Professor Gordon Menzies and Professor Isa Hafalir, co-authors of the new paper published in the Journal of Business Ethics, argue that this model overlooks a crucial variable: many individuals possess an intrinsic commitment to honesty. Their computational simulations reveal that fixed salaries can outperform incentive contracts when moral character is factored in, disrupting long-held notions about optimal compensation structures.
This innovative model integrates a more realistic “middle ground” between the extremes of perfect self-interest and flawless trustworthiness. Instead of assuming agents are either purely motivated by incentives or inherently honest, the research captures a spectrum of motivations, acknowledging that people’s behavior often resides somewhere in between. Crucially, the authors highlight that reliance on incentives may erode trust over time, sparking a detrimental feedback loop that demands ever-increasing rewards.
Professor Menzies emphasizes that the mere presence of performance pay can signal distrust, inadvertently discouraging agents from being truthful and thereby undermining the very efficiency incentives seek to create. This insight sheds new light on why consistent salaries remain prevalent in professions like law and medicine, where ethical duties and fiduciary responsibilities play a critical role. In these roles, loyalty, judgment, and moral accountability transcend financial calculations.
This research gained momentum following Menzies’ public lecture at Oxford, where he discussed the Global Financial Crisis and critics’ use of economic reasoning that often sidesteps moral dimensions. Concerned that economic models might misrepresent real-world behavior by neglecting ethical considerations, Menzies collaborated with Hafalir and Oxford’s Professor Tom Simpson, a moral philosopher, to bridge economics and ethics through formal modeling.
Their findings suggest that institutional trust and professional integrity are not just intangible ideals but measurable drivers of efficiency. Systems that honor and leverage agents’ moral motivations may reduce the costs associated with monitoring and incentivization while fostering a healthier organizational culture. This represents a paradigm shift with significant implications for debates on executive pay, compliance, and corporate governance.
Ultimately, the paper underlines the economic value embedded in trust and moral responsibility, countering the pervasive belief that incentives alone catalyze honest behavior. It invites businesses and policymakers to rethink incentive design, taking into account the nuanced realities of human nature. The enduring presence of salaried roles in fiduciary contexts is thus not accidental but rather a reflection of the profound economic benefits that stem from cultivating integrity and trustworthiness.
Subject of Research: Not applicable
Article Title: The Efficiency of Moral Character: Modelling Principal–Agent Relations and Caring Agents Within the Fiduciary
News Publication Date: 25-Jun-2026
Web References: https://link.springer.com/article/10.1007/s10551-026-06380-y
References: 10.1007/s10551-026-06380-y
Keywords: principal-agent model, moral character, trust, incentives, performance pay, economic theory, fiduciary, organizational behavior
