Despite Much Research the Evidence on Mergers Is Confused Because

Multiple Choice

Despite much research the evidence on mergers is confused because:

A) Reliable data is hard to find
B) Each merger is unique and there are many influences on both companies' profitability, even without any merger
C) Each merger is unique and it is hard to calculate profitability after a merger
D) Bankers' fees are confidential, and should be netted out