Voluntary reporting has been a significant constraint on past attempts to count police use of force.
There are of course very good reasons for quite significant constraint on public pronouncements by holders of judicial office.
But there is little question that fear of aerial interdiction has been a significant constraint on Peruvian drug production.
Yet the Obama administration faces a significant constraint in declaring a threat to Iraqi Kurdistan a threat to US interests.
"And a very significant constraint to first-time buyers is the wealth constraint".
Strengthening demand is filtering through into higher sales levels although the ongoing shortage of supply is acting as a significant constraint on activity.
In both the rich and the emerging world unmet demand for housing is a significant constraint on growth.
The most significant constraint on Myanmar's behavior may be China, its giant neighbor, which has supported it with aid and commercial ties, undermining the economic penalties imposed by Western nations.
But after a decade of rampant growth, wind is running into a significant constraint: There are too few transmission lines to carry the power.
As Peter Cappelli, a management professor at the Wharton School of Business, has written, employers "rightly point to a significant constraint that they face in training workers: They train them and make the investment, but then someone else offers them more money and hires them away".
Ishida said the effective removal of the last significant constraint on Japan's military had come at a dangerous time for the region, citing Abe's visit to Yasukuni shrine as part of an attempt to foment tension with China and South Korea.
