Why Europe’s capital cities are pulling away from their countries – and what we can do about it

European productivity: blue is high, red is low. Image: CER.

Europe’s capital cities are much more productive than smaller cities and towns: the average metropolitan worker produces about 50 per cent more output than workers elsewhere. The divide between capitals and everywhere else is growing, too. Europe risks becoming as divided as the US, where the economic and cultural fault-lines between the coastal ‘elite’ and the Rust Belt were one reason why Donald Trump won the presidency. At the Centre for European Reform, we’ve put together a model which explains what is behind this divergence Europe. It also points to some possible solutions.

Reason number 1: Europe’s largest cities, like black holes, have a kind of gravitational mass. Some of you may remember the gravity equation from high school: take two objects, multiply their masses together, and divide that by the square of the distance between them. We did the same equation with all of Europe’s regions, and the bigger economic heft of most capital cities make workers there more productive.

We have good theories about why that’s the case: cities allow companies, especially those producing high-value services that don’t need large factories, and workers to cluster together. Companies get the benefit of a large pool of potential workers, and can select the most productive ones for jobs. They can also cut the costs of services and goods that they need, because there is plenty of nearby competition between other firms seeking to supply them. With so many companies to choose from, workers can more easily find one that fits their skills. Result: higher productivity.

What’s a bit more interesting, though, is that how densely populated a region is doesn’t matter very much, but being close to other successful regions really does. Rural Surrey isn’t just a commuter dormitory full of antique shops, but has lots of productive businesses. That’s because it is easy to get to London by train. Berlin is the only European capital that is less productive than the rest of the country. It is still overcoming the legacy of the Berlin Wall and communist rule in the East, but it is also a long way from the heartlands of the German economy in the West.

Reason number 2: Regions with big graduate populations are more productive. If the graduate share of, say, Rome’s population rose by 1 per cent, then our model predicts output per worker would rise by around 0.4 per cent. That link between higher education and productivity has been on the rise, too. Back in the year 2000, 1 per cent more graduates would have meant 0.2 per cent more productivity.

We can’t be sure if graduates are becoming more productive, or whether they have been moving to places that are already productive. But we have good reason to suspect it’s mostly because graduates have been increasingly moving to capital cities (and other productive places). The graduate population has risen faster in most European capital cities than in the rest of the country – bar Brussels, for some reason.


Reason number 3: The older the population, the less productive the region. That link has been growing over time, too. That’s probably because Europe is ageing so rapidly, and retired people buy a lot of consumer services, like day trips, shopping and social care, which tend to involve jobs with low productivity. And, because many young graduates move away – and often abroad, if they’re from Central and Eastern Europe – we’re seeing a slow process of geographic sorting, with younger, more highly educated people clustering together.

So what should we do about it? The solutions are fairly straightforward, but they require quite a lot of public investment. First, Europe needs to bring rich and poor places closer together, with better transport and communications links between successful cities and peripheral towns. This way, the economic reach of the successful cities is widened, with smaller towns offering cheaper office space and housing that’s within reach of the metropole.

Second, post-industrial conurbations – think of the Ruhr area and Northern England – have the potential to become highly productive hubs themselves. But in order to get there, governments need to invest in universities and research centres in places like Essen, Duisburg, Manchester and Leeds, which will help to draw in a highly educated workforce.

Third, all young people should have some tertiary education. The pan-European expansion of university education in the 1990s and 2000s raised labour productivity. It’s wrong to think that there’s no point educating everyone beyond a certain point: that argument was made in the 1800s against universal primary education and in the early 1900s about secondary. In a services-dominated economy, people need to be highly numerate and literate to get good jobs – and it may be worth reforming humanities degrees to give people who take them a head for numbers.

These policies will be familiar to CityMetric readers: they’ve been suggested many times before. But action’s now quite urgent, given sluggish growth outside the metropoles, as well as Europe’s increasingly nasty politics.

John Springford and Christian Odendahl are economists at the Centre for European Reform.

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