Table 5.

Correlation matrix

	Mean	Std	1	2	3	4	5	6
1. Geographical proximity	12.23	45.39
2. Professional network	8.56	3.84	0.035
3. Product or service	4.01	1.30	0.066	− 0.362**
4. Product/service differentiation	3.00	1.25	− 0.148**	0.298**	–0.331**
5. Pricing	2.81	0.91	0.047	0.028	0.073	− 0.66
6. Product/service quality	3.91	0.80	− 0.071	− 0.043	0.039	0.102	0.363**
7. Growth 2014–2016	3.41	15.32	0.068	0.216**	− 0.186**	0.030	− 0.070	0.005

*p < 0.05, **p < 0.01, ***p < 0.005.