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Four Essays on University Economics - KOPS - Universität Konstanz

Four Essays on University Economics - KOPS - Universität Konstanz

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Research Productivity in Business Ec<strong>on</strong>omics<br />

Cainelli et al. (2006) also report that research output is highly c<strong>on</strong>centrated within<br />

Italian ec<strong>on</strong>omics departments, a result that is c<strong>on</strong>firmed by Australian evidence (see Neri<br />

and Rodgers, 2006). According to Cainelli et al. (2006), this result reflects the divisi<strong>on</strong> of<br />

labor that allows some individuals to specialize in research while others assume teaching<br />

and administrative duties. To investigate this issue, we use the Gini coefficient as a mea-<br />

sure for the c<strong>on</strong>centrati<strong>on</strong> of research output within departments. The average of the Gini<br />

coefficients over all departments is 0.22, indicating that c<strong>on</strong>centrati<strong>on</strong> of research within<br />

departments is moderate. Specifically, the Gini coefficients in our sample are much lower<br />

than the Gini coefficients reported by Neri and Rodgers (2006) for Australian ec<strong>on</strong>omics<br />

departments. Furthermore, we find virtually no correlati<strong>on</strong> between c<strong>on</strong>centrati<strong>on</strong> of re-<br />

search output and productivity. Divisi<strong>on</strong> of labor thus does not necessarily induce better<br />

research performance.<br />

Our next estimate shows that productivity is lower in departments with a higher number<br />

of n<strong>on</strong>-publishing professors. Whether this c<strong>on</strong>firms the finding of Taylor et al. (2006),<br />

who claim that researchers with productive peers are more productive themselves, remains<br />

questi<strong>on</strong>able: in our computati<strong>on</strong>s department productivity is defined as the average over<br />

all individual productivities. Thus, this average also includes the unproductive members.<br />

We return to this issue in the next secti<strong>on</strong> where we analyze the determinants of individual<br />

research productivities.<br />

Most programs in business ec<strong>on</strong>omics and management in Austria, Germany and Switzer-<br />

land are associated with ec<strong>on</strong>omics departments. Interdisciplinary collaborati<strong>on</strong> and<br />

interdisciplinary competiti<strong>on</strong> are likely to have an impact <strong>on</strong> productivity of business<br />

ec<strong>on</strong>omists. In fact, our estimates show that productivity is higher in departments that<br />

also run an ec<strong>on</strong>omics study program (see Table 2.4, column 2).<br />

According to Maske et al. (2003) and Taylor et al. (2006), higher teaching loads<br />

and/or more administrative duties reduce research productivity. We attempt to proxy<br />

the teaching load by the total number of students who major in business ec<strong>on</strong>omics and<br />

management, ec<strong>on</strong>omics or a related discipline and divide this number by the number of<br />

faculty members. Unfortunately, we were not able to uncover federal statistics <strong>on</strong> student<br />

numbers in Austria. The estimate for the subsample that includes <strong>on</strong>ly German and Swiss<br />

departments suggests, however, that higher teaching loads in terms of class sizes do not<br />

30

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