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pdf - Nyenrode Business Universiteit

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18 CHAPTER 2. RPE AT THE BUSINESS UNIT MANAGER LEVEL<br />

2.2.1 RPE and Noise Reduction: Reducing the Effect of External<br />

Factors on the Performance Evaluation<br />

This section describes how RPE can reduce target-setting problems that originate from<br />

outside of the business unit. These external factors include events that occur in the environment<br />

of the business unit. Examples include rising prices and declining demand.<br />

External factors affect the performance of the business unit and thus the difficulty of the<br />

performance target. Windfall gains can cause the target to be achieved easily. This reduces<br />

the motivation of the business unit manager to provide maximum effort; his performance<br />

target is achieved due to good luck, and requires less effort. On the other hand, bad luck<br />

can make the target impossible to achieve. This also reduces the motivation of the manager,<br />

who cannot achieve his target, even when providing his maximum effort.<br />

External events increase the ‘noisiness’ of the performance metrics. Measured performance<br />

is the result not only of effort, but also of uncontrollable factors. This reduces the informativeness<br />

of the performance metrics about the agent’s performance. Overall, noise reduces<br />

the quality of the performance evaluation, which aims to reward the agent for the provision<br />

of effort, not for uncontrollable events.<br />

However, RPE can reduce the noise in the performance evaluation, insulating the performance<br />

evaluation from the effects of external events. In the literature, noise reduction is<br />

the primary explanation for RPE use (see Holmstrom 1982). RPE reduces noise in the<br />

evaluation by incorporating information about peer performance into the performance contract<br />

between the principal and the agent (Holmstrom 1982). Because the agent and his<br />

peers have partially similar exposure to uncontrollable external events, their performance is<br />

similarly affected by these events. Comparing the agent’s performance to the performance<br />

of his peers provides the principal with more information about what performance level<br />

is achievable under the current circumstances. Thus, by judging the agent’s performance<br />

relative to his peers, the principal is informed about the quality of the agent’s performance<br />

under the (often uncontrollable) external circumstances. This reduces the effects of external<br />

uncontrollable factors on the performance evaluation. Due to this noise reduction and<br />

increased informativeness, RPE can improve the quality of performance evaluation.<br />

2.2.1.1 Common Uncertainty<br />

The noise-reduction perspective on RPE informs my model with the effect of uncertainty<br />

on the use of RPE. Uncertainty is a widely researched antecedent for many control instruments<br />

(Chenhall 2003). Uncertainty can introduce noise in the performance evaluation if<br />

uncertainty is uncontrollable for the evaluated agent, and influences his performance.

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