Inflation up by 0.1 percentage point, real wages down by 1%

RPI sent out to the great big spreadsheet in the sky.

The ONS has announced this month's inflation statistics:

The Consumer Prices Index (CPI) grew by 2.8% in the year to February 2013, up from 2.7% in January 2013. The change in the rate follows four consecutive months when it stood at 2.7%.

This is the first month without RPI as a headline statistic; following its decision to choose consistency over accuracy, RPI is no longer a designated "National Statistic". Its annual growth is still reported, however, and it has fallen from 3.3 to 3.2 per cent between January and February.

The new replacement for RPI, RPIJ (which is calculated using the same data but a different, and more accurate, formula), showed the same change, dropping 0.1 percentage point, to 2.6 per cent.

The ONS has introduced a second new measure of inflation, CPIH, which aims to include the housing costs of owner-occupiers – something historically lacking from the CPI. It's currently experimental, but with the housing costs weighted at 12 per cent of the total index, it could well show a more realistic measure of the cost of living for the average Briton.

For all of the last seven years, CPIH has actually been lower than CPI:

(The green line shows inflation in the cost of housing). That's a surprising statistic, but may come from the fact that the measure for the cost of owner occupied housing is "rental equivalence":

Rental equivalence uses the rent paid for an equivalent house as a proxy for the costs faced by an owner occupier. In other words this answers the question “how much would I have to pay in rent to live in a home like mine?” for an owner occupier.

Obviously, if you are paying rent, you are probably aware that it's not quite as simple as asserting that the value of owning a house is no more or less than paying rent on the same house. Nonetheless, valuing the monthly "cost" of living in a house you own is notoriously tricky, and this is one of the most accepted ways of doing so. It will be a measure that is worth keeping an eye on.

Of course, the most important measure to pair inflation with is wage growth. And there, the news remains unfortunate. Regular earnings grew just 1.3 per cent in the last year, meaning that real wages continue to shrink at an alarming rate. That's a trend which shows no sign of abating, and it is the biggest point in favour of the hard-money inflation hawks. We are all getting poorer, and have been for a while.

A house, probably owner occupied. Photograph: Getty Images

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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Tom Watson rouses Labour's conference as he comes out fighting

The party's deputy leader exhilarated delegates with his paean to the Blair and Brown years. 

Tom Watson is down but not out. After Jeremy Corbyn's second landslide victory, and weeks of threats against his position, Labour's deputy leader could have played it safe. Instead, he came out fighting. 

With Corbyn seated directly behind him, he declared: "I don't know why we've been focusing on what was wrong with the Blair and Brown governments for the last six years. But trashing our record is not the way to enhance our brand. We won't win elections like that! And we need to win elections!" As Watson won a standing ovation from the hall and the platform, the Labour leader remained motionless. When a heckler interjected, Watson riposted: "Jeremy, I don't think she got the unity memo." Labour delegates, many of whom hail from the pre-Corbyn era, lapped it up.

Though he warned against another challenge to the leader ("we can't afford to keep doing this"), he offered a starkly different account of the party's past and its future. He reaffirmed Labour's commitment to Nato ("a socialist construct"), with Corbyn left isolated as the platform applauded. The only reference to the leader came when Watson recalled his recent PMQs victory over grammar schools. There were dissenting voices (Watson was heckled as he praised Sadiq Khan for winning an election: "Just like Jeremy Corbyn!"). But one would never have guessed that this was the party which had just re-elected Corbyn. 

There was much more to Watson's speech than this: a fine comic riff on "Saturday's result" (Ed Balls on Strictly), a spirited attack on Theresa May's "ducking and diving; humming and hahing" and a cerebral account of the automation revolution. But it was his paean to Labour history that roused the conference as no other speaker has. 

The party's deputy channelled the spirit of both Hugh Gaitskell ("fight, and fight, and fight again to save the party we love") and his mentor Gordon Brown (emulating his trademark rollcall of New Labour achivements). With his voice cracking, Watson recalled when "from the sunny uplands of increasing prosperity social democratic government started to feel normal to the people of Britain". For Labour, a party that has never been further from power in recent decades, that truly was another age. But for a brief moment, Watson's tubthumper allowed Corbyn's vanquished opponents to relive it. 

George Eaton is political editor of the New Statesman.