To promote the living wage, we need to reform the tax system

We must end the absurdity of companies being financially penalised for becoming living wage employers.

The living wage is one of the few policies that garners consensus across the political spectrum. Which politician would be crazy enough to speak against the idea of companies paying their low-paid employees enough to live on? Cue Ed Miliband and Boris Johnson giving speeches today to mark the start of Living Wage Week – with David Cameron not letting the fact that he’s in the Middle East prevent him from pitching into the debate.

Yet when it comes to what supporting a living wage actually means, the differences begin to show. The to-ing and fro-ing between the Labour Party and No 10 today highlight the slippery nature of an idea that is – since no politicians are advocating a statutory living wage – in essence about businesses doing the right thing.

Cameron and Johnson – if their contributions today are anything to go by – stand for business voluntarism in its purest sense. Politicians should stand alongside campaigning organisations like London Citizens in imploring businesses to pay a living wage, but there the buck stops. This ignores the fact that early living wage adopters have tended to be City corporations with a very low proportion of low-paid staff – for whom the costs of becoming a living wage employer are relatively low – and values-driven public sector organisations (of which Boris Johnson’s Greater London Authority is not yet one). The idea that a moral campaign led by civil society and government can by itself shift working conditions for millions in the low-paid, low-skill service sector remains a distant prospect.

Ed Miliband recognised this today by floating the idea that the tax system should reward those companies that become living wage employers. This is an idea that merits serious consideration. The idea that we would financially penalise companies for doing the right thing – for using green energy, for investing in R&D, or for supporting local communities, seems ridiculously self-defeating.

Yet when it comes to the living wage, that is exactly what we do. The IFS estimated back in 2010 that the annual cost to the taxpayer of employers paying below the living wage – in terms of tax credits, benefits and foregone tax – is approximately £6bn. Yet we financially penalise companies taking the decision to become living wage employers. An employer would face an extra bill of £570 a year in employer national insurance contributions (NICs) as a result of moving a full-time employee from the minimum to the living wage. This is despite the fact that the cost to the Treasury of employers paying below living wage is around £1,000 per employee. The tax system effectively charges employers to do something that not only is the right thing to do, but which saves the Treasury a substantial amount of money.

A good way to address this anomaly would be to take the disincentive to pay the living wage out of the system – by introducing a new, flat-rate employer national insurance contribution for employees earning below living wage. This would be set at the same level for a full-time employee actually on the living wage, paid pro-rata for part-time employees. The Treasury could recycle the extra revenue this generates through targeted NICs holidays for small businesses taking on new employees.

Of course, the tax bill is only one of a number of factors companies take into account when making decisions about how much to pay their employees. But if the energy invested by business lobby groups into making the case for lower national insurance is anything to go by, it is something that weighs heavily on the minds of employers, particularly in these straitened times.

Politicians are wary of legislating for the living wage, and they are right to be so: the effects of a big increase in the statutory minimum wage for unemployment are untested. But the Tory approach of just asking nicely won’t bring about the change we need. The Labour party is right that we need government to be much more creative in terms of how it encourages employers to pay the living wage. A reform of employer national insurance contributions for low-paid employees would be one pragmatic way of doing so.

Sonia Sodha is a former senior policy adviser to Ed Miliband. She writes in a personal capacity. She tweets @soniasodha.

Labour Party leader Ed Miliband addresses workers at Islington Town Hall. Photograph: Getty Images.

Sonia Sodha is head of policy and strategy at the Social Research Unit and a former senior policy adviser to Ed Miliband. She tweets @soniasodha.

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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.