"arguably negative" is correct and usable in written English.
It is typically used to express that a certain opinion or statement is debatable, and could be seen as negative by some people. For example, "The impact of this policy change is arguably negative, as it could lead to job losses in the community."
Arguably this negative framing is inherent in the modern concept of privacy which focuses on conditions of its violation, not its realisation [42].
Arguably, the negative correlation between ATPs and excess cash may indicate firms' optimal choice to mitigate the potential agency problems associated with free cash flow.
Arguably, a negative study could theoretically be caused by variability in measurements, but in the MRA study [22], MMA (17%) and MCA (11%) vasodilation was observed during the 20-min infusion of nitroglycerin.
Here's one easy comparison (yes, it's one-year inflation expectations versus 10-year bond yields; so sue me): So the late 70s were a time of high rates but very high inflation expectations, so that real rates were arguably zero or negative, just as they are today.
Likewise, Nazarbayev's enthusiastic push for rapprochement with the bloc in 2009 2010 was arguably associated with negative consequences of the 2008 financial crisis for Kazakhstan (Kurmanguzhin, 2016: p. 111).
All of the five comics below arguably give a negative jab to the green movement--but does that makes them less green?
The word manipulation itself is certainly more emotive and arguably has more negative connotations than paternalism, which implies protection and care, principles which sit more comfortably in the ethos of healthcare.
New Zealand have had a wonderful day, although their run-rate arguably reflects a slightly negative mindset.
