The phrase "authorities on changes" is correct and usable in written English.
It can be used when referring to individuals or groups that have expertise or knowledge regarding changes in a specific field or context.
Example: "The conference featured several authorities on changes in environmental policy who shared their insights."
Alternatives: "experts on changes" or "specialists in changes".
At 35, with six teams and five trades on his résumé, Billups is a certified authority on change, especially the unplanned kind.
The research conducted by Policy in Practice, a group that works with local authorities on welfare changes, is based on analysis of more than 100,000 households of working-age in receipt of housing benefit and council tax support, and also takes into account the impact of the national living wage at £9 an hour, and a personal tax allowance of £12,500.
The appointment of the Oxford-educated Mr. Guo, 55, to head the China Securities Regulatory Commission last October, a year ahead of the expected changing of the guard, was also seen as reflecting the authorities' determination on change — and confidence that the economy was sturdy enough to handle it.
For example, PeerIndex's list of authorities on climate change is very different from that for Indian business, and these two lists are different from the ranking you would get by merely filtering the list of top tweeters by subject.
Analyst George Godber from Matterly Asset Management said the onus was on the authorities to change the rules, rather than on Amazon to pay more tax.
The group also helps organize the Nongovernmental International Panel on Climate Change, which offers a contrary view to the leading authority on climate change, the United Nations Intergovernmental Panel on Climate Change.
"And it will exert pressure on the authorities to change their old ways, so that they will not be able to jail people like Liu Xiaobo in the future.
2010: The year in which Pielke called the global authority on climate change, the Intergovernmental Panel on Climate Change, "very much an advocacy organization that's couched in the role of advice".
Comprising thousands of technical experts from more than 120 countries, the Intergovernmental Panel on Climate Change (IPCC) is the world's definitive authority on climate change.
