The money quote from the article would be:
The key policy implication of the analysis is that foreign acquisitions can have beneficial effects for domestic R&D activity. Hence, there is no need for fears and therefore no need for policymakers to start thinking about limiting international merger and acquisition activity. Quite the contrary, foreign acquisitions may be an important way to generate new knowledge and contribute to boosting the level of technology in the domestic economy.So them foreign types may not be so bad after all. Just don't tell Winston Peters.