Table 7.

Synergistic effects among innovations in service industries.

Variables DV: Firm financial performance	Model 4	Model 5	Model 6	Model 7	Model 8
Radical Product Innovation	−0.026	0.003	0.002	−0.026	−0.020
	(0.050)	(0.057)	(0.050)	(0.050)	(0.057)
Incremental Product Innovation	0.074***	0.045**	0.059**	0.070***	0.053**
	(0.024)	(0.025)	(0.024)	(0.024)	(0.023)
Process Innovation	0.053**	0.102***	0.069***	0.062***	0.086***
	(0.023)	(0.022)	(0.024)	(0.024)	(0.025)
Organizational Innovation	0.069***			0.048**	0.040**
	(0.017)			(0.021)	(0.019)
Marketing Innovation	0.036**	0.054***	0.036**	0.033**	0.032**
	(0.017)	(0.015)	(0.019)	(0.017)	(0.018)
Radical Product Innovation * Marketing Innovation		0.097	0.127		0.008
		(0.109)	(0.095)		(0.110)
Incremental Product Innovation * Marketing Innovation			0.061**		0.079**
			(0.035)		(0.033)
Process Innovation * Organizational Innovation				0.986**	0.081**
				(0.048)	(0.028)
Firm Size	0.017**	0.016**	0.014**	0.008**	0.008**
	(0.007)	(0.007)	(0.007)	(0.006)	(0.006)
Observations	1656	1656	1656	1656	1656
Number of Firms	416	416	416	416	416

Standard errors in parentheses.

***p < 0.01, **p < 0.05, *p < 0.1.