The phrase "arguably lower" is correct and usable in written English.
It can be used when discussing a point of view that suggests something is lower in comparison to another, while acknowledging that this is a matter of opinion.
Example: "The new model is arguably lower in price than its predecessor, making it more accessible to consumers."
Alternatives: "possibly lower" or "potentially lower".
Arguably, lower mortgage rates justify some of this rise.
It's a form of wit arguably lower even than sarcasm: toilet humour, the kind of scatological funnies beloved by young children, and, guiltily, everyone else.
Yes, it probably has a much lower profile than it should, far lower than bigger cities like Berlin and Munich — even arguably lower than that of its nearby archrival, Cologne.
That capital cost is no greater than homes without solar, and, because they reduce demand during peak times, is arguably lower operational costs to the provider, and, benefits the rest of the grid consumers by reducing the burden to the grid during high demand times.
Also, in such situations, there is often more unconditional support from the international community that do not have fears of jeopardising foreign policy objectives or risk greater regional instability and when the political and human costs of intervention are arguably lower than in countries currently in conflict.
It has a very low threshold, arguably lower than that of Scratch because of its simplicity.
Under this plan, presidents would appoint justices at regular intervals, arguably lowering the temperature and the stakes for each confirmation.
It's arguably lowered barriers to communication, connected us near-real time, revolutionized hiring and altered the company-to-customer relationship.
Arguably, the lower installations cost could drop Solyndra's cost per watt to anywhere from $4.79 to $2.79 $6.29 minus $1.50 to $3.500 for the lower installation costs). With a $3.42 sale price, that means Solyndra might be able to coax some profit from their billion dollar investment.
Moreover, the greater the drain of resources from the private sector, arguably, the lower the growth potential of the economy.
"It may sound extreme, but if a second euro zone crisis were to hit, with the US dollar at a much stronger starting point, the euro could arguably trade lower still," they wrote.
