"Ten to 20 years from now infrastructure could be larger than real estate," said Mark Weisdorf, head of infrastructure investments at JPMorgan.
However, Deloitte head of infrastructure Nick Prior warned that little of this investment will have any short-term impact on the economy.
"At the moment everyone looks a winner," says David Leam, the head of infrastructure at London First, a lobby group.Which suggests that somebody will be disappointed.
Mat Riley, head of infrastructure at consultant EC Harris, said the revised plan was "again, strong on headlines but unclear on delivery".
"There's a huge opportunity that the U.S. public sector is in danger of losing," says Markus J. Pressdee, head of infrastructure investment banking at Credit Suisse.
From Nick Prior, head of infrastructure for the businss consultants Deloitte The chief secretary's announcements, particularly around energy and investment in the road network, are broadly positive.
Police Scotland detectives are investigating claims Dabaiba stole millions of pounds as head of infrastructure projects in Libya and amassed a Scottish property empire with the proceeds.
"It's a bold move, perhaps a desperate one, but one that will be undeniably welcome by the beleaguered construction industry," said Richard Threlfall, head of infrastructure, building and construction for the advisory firm KPMG.
