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A Systems View Across Time and Space

Table 6 Multiple regression model estimation of the contribution of cluster var. to LN average annual product revenue

From: The contribution of collaboration to the development of sustainable innovation in high-tech companies

Model 5: LN Average annual revenue

Adjusted R2 = 0.205

N = 102

Variable

Estimate

S.E

Predicted—LN average annual investment in R&D

0.640

0.244***

Local cluster

2.089

0.79***

National cluster

1.166

0.607**

International cluster

1.715

0.456***

Constant

4.483

3.279

  1. **Level of significance 0.05
  2. ***Level of significance 0.01