However, it can be argued that the early commitment (fixed plans) that characterizes high endogenous uncertainty renders flexible budgets less useful. In addition, it can be expected that managers in such a situation will resist being evaluated against changing performance targets (Hartmann, 2005: 245). The expectation is therefore: H2b There is a negative association between accentuated strategic positioning /
differentiation (endogenous uncertainty) and attitudes towards flexible budgets