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The purpose of this paper is to develop a user‐oriented decision‐supporting applicable tool for selection of a single supplier out of a group of potential suppliers in a dynamic business environment over a finite planning horizon.

A qualitative and quantitative description of the impact of a change in one or several business environment parameters on current and future supplier choice; the methodology is accompanied by a visual representation of those impacts for the decision maker. The paper presents extended simulation experiments to test the proposed methodology.

A strategy of replacing suppliers over a definite planning horizon based on a forecast of the business environment is significantly (2‐9 per cent) more efficient than a strategy of relying on a single leading supplier throughout the planning horizon. This efficiency gain is greater the more the business environment is dynamic.

The proposed methodology is applicable to a broad range of service and manufacturing organizations that operate in dynamic business environments and rely on complex purchasing systems. Thanks to its simplicity, it can be applied to very large systems with a broad range of selection and/or environmental parameters.

Although the supplier selection process has been extensively studied, the literature still lacks appropriate reference to the effects of a dynamic business environment on this process.

This paper aims to provide a new methodological approach by applying Neo-Kohlbergian considerations in historical context to an analysis of the late speaker of Deutsche Bank Dr Alfred Herrhausen’s moral reasoning process.

A wide range of methods is used, including analyzing Herrhausen interviews, biographies, speeches, statements and further written material, as well as interviews of his contemporaries conducted by this researcher to derive the most accurate posthumous depiction of Herrhausen’s moral reasoning.

The study reveals that Herrhausen was indeed a person of significant moral character when judged by his activist stance on several highly salient global issues.

The thought construct Kohlbergian scholars have been providing is deeply imbedded in a tradition of continental philosophy. While the underlying philosophy in Kohlberg’s cognitive moral development model provides much more than is often considered when used in the field of business ethics, discourse ethicists still consider Kohlberg’s ideas a cornerstone of their philosophical ventures.

Herrhausen has become an iconic figure in Germany, often used by politicians as an aspirational standard and corrective to the current management elites’ mishaps. Internationally, he played an important role as a global manager on the political stage by arguing for a Chapter 11 solution for highly indebted countries during the late 1980s.