Making the transition to a new financing system will be demanding for all stakeholders.
And as the Iraqi economy improves, and agriculture and industry develop, there will be demand for water.
There will be demands for someone coming off a hit, someone in fashion, the flavour of the month.
When the present crisis is past perhaps there will be demands for closer civilian surveillance of the business of gathering intelligence.
According to Bloomberg New Energy Finance, a research firm, there will be demand for 10.5 gigawatts of new photovoltaic-energy systems in 2010, up from just 1.7GW in 2006.
People will want to hold onto ocean-front property in the Greek islands or at the foot of the Acropolis, so there will be demand for the currency.
There will be demands for the UK to develop its own rules, especially when signing trade deals with countries outside the EU, in areas like agriculture.
Boeing, whose 777X will seat 350-400, not surprisingly sides with the doubters, reckoning there will be demand for just 700 or so planes with 400-plus seats in the next two decades; Airbus reckons on double that amount.
But even if commercial whaling resumes, Japan's whale hunters cannot be sure there will be demand for their catch back home: their compatriots appear to have lost their appetite for the oily, chewy flesh.
Keystone is confident that there will be demand for its buildings since, for years, only a meager amount of modern warehouse space has been constructed on speculation in North Jersey and particularly in the port area.
