By J SCOTT ARMSTRONG and KESTEN GREEN

OPINION: We have recently proposed a model that provides forecasts that are more than seven times more accurate than forecasts from the procedures used by the United Nations Intergovernmental Panel on Climate Change (IPCC).

By ADAM DAVY

OPINION: This year the customer was blessed with both pre and post Christmas sales.

By DAVID HARGREAVES

OPINION: SkyCity's profit upgrade is a great tonic for the market ahead of the results reporting season next month.

By MALCOLM MAIDEN

The international accounting brains trust scored another victory over common sense yesterday.

By ROSS GITTINS

Third parties can suffer when businesses pay outsiders to assess them.

By IAN VERRENDER

A stunning inconsistency lies at the heart of the accusations that Rio Tinto and its executives engaged in espionage.

By TOM PULLAR-STRECKER

OPINION: The new proposed section 92a does not provide a means to enforce copyright on a mass scale.

By IAN VERRENDER

Macquarie Group's decision to devalue the jewels in its flagship satellite trust is likely to create headaches for a range of financial institutions that plunged into infrastructure.

By TOM PULLAR-STRECKER

OPINION: Building a shared 4G mobile network that could be jointly owned by the three carriers may seem strange. But it makes perfect sense.

By TOM PULLAR-STRECKER

OPINION: Public transport users may wish the Transport Agency, local government and public transport operators were directing as much of their intellect into keeping buses and trains running on time as they seem to be on the intricacies of Auckland's $98 million integrated ticketing project.

OPINION: Should mobile phone users care whether Vodafone, Telecom and the Commerce Commission strike a voluntary deal to reduce mobile termination rates, or regulation ensues?

By TOM PULLAR-STRECKER

OPINION: It is now six months since Broadcasting Minister Jonathan Coleman canned the previous government's review of broadcasting regulation.

By ANDREW WHITEFORD

OPINION: Those of us who live in Wellington like to think of it as the creative and innovative hub of New Zealand with the highest-qualified workforce and highest incomes.

By TOM PULLAR-STRECKER

OPINION: Whether or not the Government's $1.5 billion investment in ultrafast broadband works or proves value for money, it is the only major economic development initiative under way and one of the few areas of new government spending.

By TOM PULLAR-STRECKER

OPINION: The launch of TiVo, which will go on sale on Friday, is a little underwhelming.

By TOM PULLAR-STRECKER

OPINION: Steven Joyce appears genuinely chuffed with the financial model for the ultrafast broadband initiative that he and his team of cerebral but experienced advisers have dreamt up.

By TOM PULLAR-STRECKER

OPINION: Finland has received numerous accolades for declaring access to 1 megabit-per-second broadband would become a "legal right" in July, including from Labour communications spokeswoman Clare Curran.

By JAMES WEIR

OPINION: A friend of mine is still sitting on a couch his father bought when my friend was about five. I have a presentable table and chairs bought in the early 1950s.

By TOM PULLAR-STRECKER

OPINION: The Government decision to cave in to gadget fans and allow people to use satellite navigation on their mobiles while driving is a mistake.

By TOM PULLAR-STRECKER

OPINION: The Commerce Commission dropped strong hints to Vodafone and Telecom on how they could avoid the regulation of mobile termination charges at a briefing in Wellington on Wednesday that telecommunications commissioner Ross Patterson described as delicate and unusual.