Moreover, a broad, sustained decline in prices can become self - fulfilling and difficult to reverse, which is why economists fear it so much. (nytimes.com)
The most carefully evaluated of the structured group discussion models targeted couples around the time of their child's birth, an event that triggers substantial and sustained decline in marital satisfaction. (mdrc.org)
The importance of sustaining a decline in fertility by increasing access to family planning was stressed in the report summary: (dotearth.blogs.nytimes.com)