'bear more responsibility' is correct and usable in written English.
You can use it when talking about taking on additional responsibility in a situation. For example, "As the new team leader, I need to bear more responsibility for getting projects completed on time."
Central banks bear more responsibility for the second complication: low inflation.
And they said individuals should bear more responsibility for staying healthy.
Now, apparently, we have changed our minds — and few people bear more responsibility for that shift than Stanley H. Kaplan.
Policymakers bear more responsibility for the thrift shifts, and the global imbalances, than Mr Bernanke cares to admit.
What will change in the United States, eventually, is that merchants — instead of banks — will bear more responsibility for fraudulent transactions.
Even the man who may bear more responsibility than anyone else for Mr. Kerry's current political career remains puzzled by his lack of personal connection.
WASHINGTON -- Weighing in on the growing debate over amateurism in college sports, President Barack Obama said on Friday that universities bear "more responsibilities than right now they're showing" toward their athletes and that the NCAA should require schools to guarantee athletic scholarships with no strings attached.
Ultimately, no one bears more responsibility than the President and his government.
No one bears more responsibility for this whole unedifying event than David Cameron, it is true.
Now probably Nigeria's richest man, Mr Babangida bears more responsibility for the country's collapse than anyone else.
But he did, and he bears more responsibility for the failure of the trial than any other individual.
