The coalition's cap on benefit increases will mean a surge in child poverty

Raising benefits by less than the rate of inflation is a poverty-producing policy.

Internal Treasury documents do not make for a thrilling bedtime read but a flick last night through the government’s Impact Assessment (IA) toolkit proved quite instructive. It tells us, for example, that an IA should be prepared when a proposal "involves some kind of redistribution affecting the public, private or third sector", and that an IA "must be published when a Government Bill… is introduced into either House of Parliament".

Yet on the day the Welfare Benefits Uprating Bill 2012 receives its second reading in Parliament, we still have not seen a formal assessment of the government’s decision to cut an estimated 4 per cent from the real value of key benefits over the next three years.  So, in the absence of any official statement as to how this policy will affect child poverty, we decided to work it out for ourselves.

Our starting point is the study produced by the Institute for Fiscal Studies (IFS) in October 2011 projecting child poverty rates for the UK over the next five to ten years. The picture, according to this report, looked bleak: an estimated 400,000 more children would be living in relative poverty by the end of the current parliament, while the number living in absolute poverty looked set to increase by 500,000 over the same period.  

Critically, the IFS singled out the decision to index most working-age benefits to the consumer price index (CPI) as opposed to the more generous retail price index (RPI) from 2011 onwards as the most significant policy driving child poverty upwards in the next five to ten years. But these projections do not now tell the full story. Since they were produced, the government has made other adjustments to the way it indexes benefits and tax credits, and now plans to add into this already potent brew the decision to uprate most in- and out-of work benefits, and going forward key elements of Universal Credit (UC), at a sub-inflation 1 per cent for three years.

As our new report published yesterday shows, the simple truth is that a sub-inflation uprating will be a poverty-producing policy. Delinking benefits from prices will result in a fall in the real standard of living for anyone who is reliant on the state for all or part of their income over the next three years. As a consequence, in the absence of any compensatory changes, the number of children living in absolute poverty will rise, while those children in families reliant on out-of-work benefits who already live below this threshold will see their poverty deepen further.

And alongside worsening absolute poverty rates, the relative fortunes of low income families can only deteriorate too. The government is presenting the 1 per cent uprating as ‘fair’ in light of the average earnings levels observed during the recession, as well as future public sector pay agreements. But what is conveniently obscured in this debate is that for many years prior to 2008, benefits rose at a significantly lower level than wages. In fact, the above-average earnings upratings of the last five years have had limited effect on the relative value of benefits eroded over a long period of time, showing how difficult it is to correct the damage done by year after year of under-indexation.

Nor is it clear where the equity is in pegging benefits to public sector pay rises going forward. With the Office for Budget Responsibility anticipating average earnings growth for the whole economy of between 2.2 per cent and 3.9 per cent over the next three years, the Uprating Bill will open up a gap between the poorest and the rest of the population. As a result, the minority will become further disconnected from the majority, and under these conditions, relative child poverty can but rise.

Looking at the historical picture should make us all pause for thought. Decoupling benefit levels from wages is widely recognised as the most significant policy that drove the dramatic increases in child poverty through the 1980s and 1990s, and the decision now to delink benefits from prices looks set to propel child poverty back up to levels we haven’t observed since the Thatcher years.

Given this, the Uprating Bill risks history repeating itself, with one significant difference: this time round we are likely to witness significant rises in child poverty against the backdrop of the Child Poverty Act (CPA) 2010, a law which requires the government take action to improve both the absolute and the comparative fortunes of children growing up in the UK today.

Yet three years of benefit uprating that is linked to neither prices nor average earnings will deliberately lock in both real and relative losses for low-income families, at the same time as locking them out of the mainstream.

Small wonder, then, that the required impact assessment has yet to materialise, but when it does, it will be interesting to see how the government squares the child poverty circle.

A young girl spends the half term school holiday playing in an an alleyway in the Gorton area of Manchester. Photograph: Getty Images.

Alison Garnham is chief executive of the Child Poverty Action Group

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Inside Big Ben: why the world’s most famous clock will soon lose its bong

Every now and then, even the most famous of clocks need a bit of care.

London is soon going to lose one of its most familiar sounds when the world-famous Big Ben falls silent for repairs. The “bonging” chimes that have marked the passing of time for Londoners since 1859 will fall silent for months beginning in 2017 as part of a three-year £29m conservation project.

Of course, “Big Ben” is the nickname of the Great Bell and the bell itself is not in bad shape – even though it does have a huge crack in it.

The bell weighs nearly 14 tonnes and it cracked in 1859 when it was first bonged with a hammer that was way too heavy.

The crack was never repaired. Instead the bell was rotated one eighth of a turn and a lighter (200kg) hammer was installed. The cracked bell has a characteristic sound which we have all grown to love.

Big Ben strikes. UK Parliament.

Instead, it is the Elizabeth Tower (1859) and the clock mechanism (1854), designed by Denison and Airy, that need attention.

Any building or machine needs regular maintenance – we paint our doors and windows when they need it and we repair or replace our cars quite routinely. It is convenient to choose a day when we’re out of the house to paint the doors, or when we don’t need the car to repair the brakes. But a clock just doesn’t stop – especially not a clock as iconic as the Great Clock at the Palace of Westminster.

Repairs to the tower are long overdue. There is corrosion damage to the cast iron roof and to the belfry structure which keeps the bells in place. There is water damage to the masonry and condensation problems will be addressed, too. There are plumbing and electrical works to be done for a lift to be installed in one of the ventilation shafts, toilet facilities and the fitting of low-energy lighting.

Marvel of engineering

The clock mechanism itself is remarkable. In its 162-year history it has only had one major breakdown. In 1976 the speed regulator for the chimes broke and the mechanism sped up to destruction. The resulting damage took months to repair.

The weights that drive the clock are, like the bells and hammers, unimaginably huge. The “drive train” that keeps the pendulum swinging and that turns the hands is driven by a weight of about 100kg. Two other weights that ring the bells are each over a tonne. If any of these weights falls out of control (as in the 1976 incident), they could do a lot of damage.

The pendulum suspension spring is especially critical because it holds up the huge pendulum bob which weighs 321kg. The swinging pendulum releases the “escapement” every two seconds which then turns the hands on the clock’s four faces. If you look very closely, you will see that the minute hand doesn’t move smoothly but it sits still most of the time, only moving on each tick by 1.5cm.

The pendulum swings back and forth 21,600 times a day. That’s nearly 8m times a year, bending the pendulum spring. Like any metal, it has the potential to suffer from fatigue. The pendulum needs to be lifted out of the clock so that the spring can be closely inspected.

The clock derives its remarkable accuracy in part from the temperature compensation which is built into the construction of the pendulum. This was yet another of John Harrison’s genius ideas (you probably know him from longitude fame). He came up with the solution of using metals of differing temperature expansion coefficient so that the pendulum doesn’t change in length as the temperature changes with the seasons.

In the Westminster clock, the pendulum shaft is made of concentric tubes of steel and zinc. A similar construction is described for the clock in Trinity College Cambridge and near perfect temperature compensation can be achieved. But zinc is a ductile metal and the tube deforms with time under the heavy load of the 321kg pendulum bob. This “creeping” will cause the temperature compensation to jam up and become less effective.

So stopping the clock will also be a good opportunity to dismantle the pendulum completely and to check that the zinc tube is sliding freely. This in itself is a few days' work.

What makes it tick

But the truly clever bit of this clock is the escapement. All clocks have one - it’s what makes the clock tick, quite literally. Denison developed his new gravity escapement especially for the Westminster clock. It decouples the driving force of the falling weight from the periodic force that maintains the motion of the pendulum. To this day, the best tower clocks in England use the gravity escapement leading to remarkable accuracy – better even than that of your quartz crystal wrist watch.

In Denison’s gravity escapement, the “tick” is the impact of the “legs” of the escapement colliding with hardened steel seats. Each collision causes microscopic damage which, accumulated over millions of collisions per year, causes wear and tear affecting the accuracy of the clock. It is impossible to inspect the escapement without stopping the clock. Part of the maintenance proposed during this stoppage is a thorough overhaul of the escapement and the other workings of the clock.

The Westminster clock is a remarkable icon for London and for England. For more than 150 years it has reminded us of each hour, tirelessly. That’s what I love about clocks – they seem to carry on without a fuss. But every now and then even the most famous of clocks need a bit of care. After this period of pampering, “Big Ben” ought to be set for another 100 or so years of trouble-free running.

The Conversation

Hugh Hunt is a Reader in Engineering Dynamics and Vibration at the University of Cambridge.

This article was originally published on The Conversation. Read the original article.