The phrase "a decisive boost to" is correct and usable in written English.
It can be used when describing a significant increase or improvement in a particular situation or context.
Example: "The new marketing strategy provided a decisive boost to the company's sales figures."
Alternatives: "a significant increase in" or "a major enhancement to".
Despite Truss and Greening's success, however, expectations that Britain's second female prime minister would bring a decisive boost to the number of women in government were disappointed, with most roles still held by men.
Despite Truss and Greening's advances, however, expectations that Britain's second female prime minister would bring a decisive boost to the number of women in government were disappointed, with most roles still held by men.
I hope that, with the motion for a resolution tabled by Mr Pirker, which will be voted on here tomorrow, Parliament will be able to give a decisive boost to this ambitious, demanding and crucial programme of action to control the external border of the European Union in order to enhance the domestic security of all Member States.
If Trump is left to his own devices, if he does not get a decisive boost from another cache of e-mails pried loose by Russian hackers, if reporters fail to discover a level of sleaze at the Clintons' foundation that is truly ruinous and dispositive, their route to winning the Electoral College will be trying at best.
Hillary Clinton routed Sen. Bernie Sanders in the Democratic primary in South Carolina on Saturday, giving her campaign a decisive boost and demonstrating her advantage with the minority voters crucial to winning the party's nomination for president.
In the 1928 general election, extremists of left and right were trounced and the Nazis in particular were close to despair until, that is, the Wall Street crash and subsequent depression gave them a new, finally decisive boost.
Coming after a series of disasters and humiliations in the Carolinas the fall of Charleston and capture of the American army there, the destruction of another American army at the Battle of Camden, the Waxhaws Massacre the surprising, decisive victory at Kings Mountain was a great boost to Patriot morale.
The decisive strike came from forward Thabo Rakhale just before half-time, handing Pirates a huge boost to their hopes of progressing to the last-four.
A boost to a foundering Yasir Arafat?
The decisive defeat of the so-called "Gene Protection Initiative" is expected to give a boost to Swiss research, prevent an exodus of Swiss molecular biologists, and spur greater investment in the nation's biotech industry.
