The phrase "virtuous spiral" is a correct and usable phrase in written English.
You can use the phrase when referring to an upward-moving cycle which has a beneficial effect. For example, "The company saw a virtuous spiral of increased revenue and lower costs following the implementation of new technologies and processes."
But then Bangladesh began climbing a virtuous spiral by investing in education, of girls in particular.
That led to a virtuous spiral of development, jobs, lower birth rates, education and stability.
This left them wondering whether positive emotions and vagal tone drive one another in a virtuous spiral.
But they would further enhance credibility and so cut Italy's borrowing costs, giving further rapid twists to the virtuous spiral.
Rather, it focuses on pumping enormous amounts of cash into the virtuous spiral of an ever-expanding business.
East Asia benefited from a "virtuous spiral" of income growth and fertility decline, while South Asia seems to remain caught in a low-level population-income trap.
So as we develop our framework for post-2015, we should look not only to each goal in isolation, but how each goal can help us achieve all of our goals in a virtuous upward spiral of progress ― and make that case to the global public.
So it's — one of my colleagues has this phrase that I like, reciprocal feedback loop — so it's kind of one of these things where, you know, you're feeling burnt out, but you help people, and it helps you, and it helps them, and it's kind of the virtuous upward positive spiral that we like to see at work.
I think it's either a virtuous or a vicious spiral, and it's exposed when you go to hire somebody.
More cyclists will put greater pressure on politicians to provide better cycle infrastructure, a virtuous physical and behavioural spiral that encourages better physical and mental health, life satisfaction and reduces carbon emissions.
These presidential elections could determine whether the world's fourth most populous nation will continue to grow in a "virtuous circle" or end up spiralling downwards in a "vicious circle".
