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Bena, Jan; Kai, Li (2014). "Corporate innovations and mergers and acquisitions". The Journal of Finance. 69 (5): 1923–1960. doi:10.1111/jofi.12059. hdl:10.1111/jofi.12059.
Lin, Ji-Chai; Wang, Yanzhi (Andrew) (2016). "The R&D Premium and Takeover Risk". The Accounting Review. 91 (3): 955–971. doi:10.2308/accr-51270. hdl:10397/65000.