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China's growth data - can you trust it?

2016-01-19 04:56:55

By Andreas Illmer Business reporter

China has reported its latest economic growth data and once again it's almost

perfectly in line with the official target. Investors in China and the global

economic community may be breathing a sigh of relief - but like every other

time, there's suspicion over whether we can actually trust these figures.

How good are China's stats?

Every three months, China releases what's called its Gross Domestic Product

(GDP) - and economists look at the percentage at which the economy grew

compared to the same period the previous year. And every time, there's doubt

that the numbers might be inflated and therefore can't be trusted.

Economic growth is not only a measure of the overall value of goods and

services produced, but it's also a matter of pride, prestige and aspiration, an

arena where the US or Europe are effortlessly defeated by Beijing and where

China and India seem to compete over the future.

China, though, has more reasons than mere international prestige for possibly

inflating its data.

The chaos that saw the country's stock markets tumble over past weeks and

months has shown that domestic traders are somewhat prone to panic selling and

disappointing economic data has been among the triggers for such panic.

"We all know the growth data is overstated, particularly at the moment," says

Hong Kong-based investment analyst Peter Churchouse. "It's a political gesture:

they have to keep the domestic markets believing that growth is roughly close

to 7%."

While growth data is never 100% accurate, China is still a developing country

when it comes to standards in its fiscal management.

"There is a risk of smoothing it because of the political rationale. But it's

as much technical constraints in terms of data management and collection as

outright political manipulation," explains Tom Rafferty of the Economist

Intelligence Unit in Beijing.

So how is it put together?

The way that the GDP growth figure is collected poses another problem. The data

comes from provinces across the country and as much as Beijing stands accused

of inflating the overall number, the individual provinces are also thought to

beef up their results.

In December 2015, even Chinese state media suggested that regional economic

data had been drastically inflated, with one province reporting revenue 127%

higher than the actual number.

According to US diplomatic cables released by Wikileaks, China's current

Premier Li Keqiang back in 2007 described regional GDP data as "man-made" and

unreliable. He instead suggested determining growth from electricity

consumption, volume of rail cargo and amount of loans disbursed.

As a consequence, economists calculated a somewhat informal Li Keqiang index,

measuring precisely those three factors as a way to put official data into

perspective.

But the problem is that just like the official data collected, the Li Keqiang

index focuses too much on traditional industry while neglecting China's

transition towards domestic consumption and the service sector - which are much

harder to measure than, for instance, the output of a factory.

In an advanced economy, employment numbers or income growth give crucial

additional insight into an economy's performance, but in the case of China,

such data is either simply not published or considered unreliable.

Yet it's not as if there are no other clues that analysts can turn to, explains

Mr Rafferty.

"We've got retail data that comes out every month, and you can get quite micro

level data now on things like cinema tickets, mobile phone and data usage. So

even those are among the things we're moving towards in our analysis."

Bottom line

Gross domestic product is a flawed economic indicator, but "if you don't look

at GDP, what do you look at?" asks Mr Rafferty.

After all, it is the one number which is most widely reported on when it comes

to China's economic performance. And even if it's just for lack of more

reliable statistics, it does have an impact on both China itself and on global

economic sentiment.

"There is a lot of political pressure for Beijing to publish half-decent

numbers," Mr Churchouse sums up. And while that undermines the credibility of

the official release, "the number that's printed does still have a big impact

on the world."

In the end, it means that most analysts treat any official Chinese data with

caution, while having limited ways to establish an alternative, more accurate

assessment of the world's second-largest economy.

Does it even matter to me?

Sure, it matters to people in China. High economic growth is important, it most

likely means more jobs and probably higher wages. But beyond China, why would

you care if you're reading about it elsewhere in Asia, in Europe, the US or

Africa?

Well, economic growth is supposed to be the main indicator of how well a

country's economy is doing. And in a globalised world, China's economy is

crucial to countries around the globe. It's sometimes even referred to as "the

engine of the global economy".

If you're working for a European or Japanese car company and China is an

important market, it matters how much spending power the Chinese middle class

has. If you live in Nigeria and China is planning a massive infrastructure

project, it matters how much money Chinese companies have to spend on that

investment.

If you're down in a mine in Australia or Indonesia and the iron ore or coal

you're extracting is sold to China, it matters whether demand is increasing or

slowing. And if you're working in a steel plant in Wales, it matters whether

China is flooding global markets with steel too cheap for you to compete with.

That's why having an accurate picture of China's economic growth is important.