Housing providers and local authorities work hard to prepare young people to manage their future homes, but day-to-day it tends to be easier and more time-efficient for key workers to take control.
Many rumors blaming other potential causes have arisen, and the authorities have worked hard to debunk them.
The authorities have worked hard to ensure a haven for business and oil and gas investments, where thousands of foreigners, including American citizens, live and work freely.
The country's authorities have worked hard to impose a framework of rules for listed companies, including a requirement to produce quarterly results.
The authorities have worked hard to chase corrupt elements from this sport, but they need reciprocal backing from other nations and vocal support from within.
Philip Stack, of British risk analyst Maplecroft, said of the Tunis events: "This attack is certain to have an effect on the tourism industry, which the authorities have worked hard to rebuild after the 2011 revolution.
The English authorities have worked hard to eliminate the instability and inconsistency of the past, not least by introducing a system of offering a core group of players contracts for international duty.
"Local authorities have worked hard to put in place plans to meet this increased demand so that more pupils are offered a school place of their choice in London.
The authorities apparently worked hard to head off the protest by deleting posts on Sina Weibo, China's version of Twitter, but some participants said they had learned about it through WeChat, an increasingly popular walkie-talkie-like app that is harder to censor.
One reason the French authorities have worked hard to speed up the Mistral sale, officials say, is that a 10 percent unemployment rate has focused attention on the need to develop new markets for French products and create -- or at least preserve -- French jobs.
