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Australian Business Networks
This research demonstrates the value of integrating administrative datasets to study factors that contribute to forming business networks in Australia. We describe how we use a semantic web approach to integrate and analyse data. Figure 1 shows firm_alpha, firm_beta and firm_gamma participate in a business network because firm_alpha shares at least one patent with firm_beta and it also shares at least one trademark application with firm_gamma. We also consider firm_zeta does not participate in a business network because it files at least one patent and one trademark alone.
Figure 1. Ontology
This study uses exponential random graph models (ERGM) and latent space models (LSM) to describe the factors contributing to the formation of business networks. We combine different sampling approaches (e.g. stratified sampling, case control sampling and one step snow-ball sampling) to overcome computational problems for the statistical network models. This research shows that it is not appropriate to use a statistical model approach that ignores the endogenous network structure of the data.
We find that larger firms are more likely to form business networks in comparison with small and medium size firms. ERGMs show that the absolute differences in the level of productivity between two firms do not affect the probability of forming business networks. In comparison, the LSM results show that the absolute differences in the level of productivity between two firms have a slightly negative effect on the probability of forming business networks after the GFC. Firm experience also does not affect the probability of forming business networks. This is shown by the insignificant coefficients in both ERGM and LSM results. However, we find that firms with more products are more likely to form business networks.
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