The item in question was an editorial in the 9/3/12 edition, but I’m unable to find it in the Opinion archive at http://english.peopledaily.com.cn/90780/index.html . Perhaps it has been expunged. Here’s a write-up from the Asia edition of the WSJ citing the editorial:
The Chinese Communist Party's flagship newspaper urged officials to save much of their pro-growth ammunition for the future, giving cover to Beijing as it faces growing pressure to do more to stimulate China's slowing economy.
In an editorial, the People's Daily Monday called for authorities to build up an inventory of policy measures that could be used to rekindle growth. But it said officials should use the downturn to first address long-standing ills such as economic imbalances and industrial overcapacity.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”