'increase in the role' is a correct and usable phrase in written English.
You can use it when discussing a larger or more important role or responsibility that someone or something has taken on. For example: The company has seen an increase in the role of automation in their production process.
The current crisis cannot be overcome without a substantial increase in the role and scope of public power.
Research by the panel showed a sharp increase in the role of index investors in the wheat futures market, beginning in early 2006.
In the House, where an earlier version of the Medicare bill passed by one vote, Republican leaders will have difficulty persuading some conservatives to vote for the legislation, which calls for a major increase in the role of government.
Rather than being the disaster that free marketeers claim, the massive increase in the role of the state in the years following the second world war was of huge benefit to the vast majority of ordinary Britons.
It was the worst death toll on K2, in Pakistan's Karakoram range, since 1986.Centralising tendencyVenezuela's president, Hugo Chávez, issued 26 decree laws, the provisions of which could lead to a big increase in the role of state.
But the report contends that Mr. Clinton deserves credit for what it calls two of the most important ingredients of today's strong economy: a sharp improvement in the financial condition of the federal government and the sizable increase in the role of trade.
In the following years, we observe a trend decline (increase) in the roles of coin (sight deposits) resulting in shares of 7 and 74% in 1906, respectively.
Changes in residential diversity were driven by substantial increases in the role of annual plants.
When the rotational speed increases, the centrifugal force increases, in the role of centrifugal force sensor in the radial extension.
Therefore, interest is increasing in the role of microenvironmental factors in regulating accurate axonal regeneration.
In recent years, interest has been increasing in the role of the glycaemic index in pregnancy, and in particular its potential to modulate fetal growth.
