The phrase "a positive impulse" is correct and usable in written English.
It can be used to describe a motivating or encouraging force that drives someone to take action or make a change.
Example: "The coach's speech provided a positive impulse that inspired the team to give their best performance."
Alternatives: "a motivating force" or "an encouraging drive."
Of itself, it cannot produce cyclical movements in the economy; it merely provides a positive impulse in an upward direction.
This finding extends and qualifies a substantive qualitative literature, which has found in local democratic institutions of medieval Europe a positive impulse towards the development of representative democracy.
The solitary wave states generated by applying a positive impulse followed immediately by an negative impulse, of equal amplitude and duration, is dependent on the period of forcing.
Ralph Solveen, an economist at Commerzbank in Frankfurt, said, "Relaxing monetary policy would be a positive impulse for Germany, but it will not solve the underlying problems in the economy".
By applying a regression analysis, we find that a more stringent environmental regulation, measured by inspection frequency, provides a positive impulse for increasing investments in advanced technological equipment and innovative products and on business performance.
By using data from different sources, we performed ordered probit regression and found that the design of Integrated Pollution Prevention and Control permit provides a positive impulse for increasing investments and, as a consequence, produces positive effects on performance at the facility level.
It is also part of a more positive impulse: to build up a new movement, working with idealists beyond the party's borders.
At low latitude stations outside EEJ belt GAM, PHU, CBI and HTY in the north and at TND, KDU, and ASP in the south, the solar flare had produced a significant positive impulse in the H field.
In addition, if the shock remained strong, it would produce an extreme impulse on the magnetosphere that can expose geosynchronous orbit to the solar wind (Tsurutani and Lakhina 2014) and a sudden (positive) impulse (SI+) on the ground (Tsurutani et al. 2008).
It was a living example of that generous, loving, positive impulse at work.
It commenced with the arrival at the Earth of a coronal mass ejection, which abruptly compressed the magnetopause and generated a positive magnetic impulse in Kakioka ({B_{x}^{m}}) of about 60 nT at 06:13 UT on 29 October.
