Why is China’s lurch into deflation on the GDP deflator, but not the CPI measure, so important? We have pointed out before (unfortunately we don’t have space for the chart here) that in Japan during the 1990s the thing to watch to see the havoc that deflation was wreaking on nominal revenues and debt/income loads was not the CPI, but rather the GDP deflator, which fell far faster than the CPI. Economic agents produce far more than just consumer goods and services and the GDP deflator is a much wider basket of goods and services and includes exports and investment goods. Clearly the descent into outright GDP deflation in China explains the more aggressive, even slightly panicky, policy easing measures there.
We also pointed out last week that China’s move into BoP deficit imposes a substantial monetary headwind on the economy. China may wish to keep the renminbi stable at this time while the IMF is currently considering including it in the SDR currency basket. But the economy is simply not in a position to withstand a major yen decline bringing down the currencies of its competitors in the region (and the additional deflationary impulse). I remain convinced that China must start guiding its currency down against the dollar and it can do that easily now it has a BoP deficit by doing absolutely nothing (ie not intervening any longer to hold it up)! China will also take the IMF’s recent declaration that the renminbi is no longer undervalued as justification for these actions - link.
Worrisome deflation is already being imported into the US, especially from Japan (see chart below). China (blue line) has yet to participate, but a further round of Asian devaluations will inevitably see waves of deflation heading westwards as in 1997/98. Watch this data closely.
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