The phrase "a larger commitment in" is correct and usable in written English.
It can be used when discussing an increased level of dedication or involvement in a particular area or activity.
Example: "The organization is seeking a larger commitment in community service initiatives to make a more significant impact."
Alternatives: "a greater investment in" or "an increased dedication to".
As an advocate of a steadier stream of guaranteed financing for parks, she also applauded the city's making such a large commitment in advance to a park.
Studies of this type demand a large commitment, in particular from patients and healthy volunteers, so the number of subjects, while comparable to other papers in the field, is relatively small.
Additionally, as patients in the developer group reported the highest HRQoL values over time a larger commitment of the GPs in the developer group can be assumed and should be considered in further research.
In her scheme, it turns out, a woman doesn't surrender as part of a larger commitment of faith; she surrenders in order to get what she wants.
But he and Hamilton both said that the growing willingness to support a commission to study the issue should not be dismissed as a superficial shift to avoid a larger commitment, but an essential step in the right direction.
The move is part of a larger commitment to the principle of transparency in the finance industry.
Overall, a larger commitment to stop waterpipe smoking is observed in individuals who are aware of the potential health concerns than in those who are not [ 25].
What's more, thanks to our larger commitment in Iraq, by 2007 the enemy had suffered considerable attrition, the civilian population had been exhausted and the United States had shown the will to prevail.
Also, he is seeing about a dozen larger commitments in the double-digit millions over the course of the year, deals he calls "online video upfronts" because they are negotiated in advance like regular TV upfronts.
