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pdf - Nyenrode Business Universiteit

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2.3. SAMPLE AND MEASUREMENT 25<br />

2.2.5 Overview of the Model<br />

To summarize the theory section, I present the causal model. The model consists of the<br />

hypothesized relations, and control variables (concerning contractibility, emphasis on firmlevel<br />

measures, size and sector). The causal model is presented in figure 2.2.<br />

Common<br />

Uncertainty<br />

Information<br />

Asymmetry<br />

Control Variables<br />

- Contractibility<br />

- Emphasis on firm<br />

level measures<br />

- Size & Sector<br />

Figure 2.2: Causal Model<br />

Positive (H3)<br />

?<br />

Positive (H2)<br />

Positive (H1)<br />

✻<br />

Comparability<br />

2.3 Sample and Measurement<br />

2.3.1 Sample<br />

?<br />

✻<br />

RPE use<br />

This study uses primary data collected from 325 business units with an extensive survey<br />

instrument. The questionnaire was filled out by business unit managers contacted through<br />

students’ professional networks. This approach has several benefits. The first is respondent<br />

identification. The students were instructed to identify managers who are responsible<br />

✻<br />

❄<br />

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