The competition for phrase of the 12 months is already over. Within the geopolitical class, the winner is “de-risking”.

This D-word has moved from obscurity to ubiquity in lower than two months. It was the centrepiece of a speech about China made in late March by Ursula von der Leyen, the European Fee president. De-risking was then seized upon by the Biden administration. Then, final week, it was endorsed by a G7 summit.

One motive why western leaders have embraced de-risking with such alacrity is that it will get them off a rhetorical hook. Earlier speak of “decoupling” western economies from China was typically castigated as unimaginable and excessive. De-risking sounds extra prudent and focused. Western companies are being instructed that they’ll nonetheless commerce with China — it’s simply that some safeguards are wanted.

The sort of dangers that the US and the EU are fearful about could be put into two broad classes: stuff the west will get from China; and stuff that China will get from the west.

Within the class of “stuff they get from us”, superior expertise with potential army makes use of is on the prime of the checklist. The restrictions on semiconductor exports introduced by the US and — final week, by Japan — fall into this class.

Concurrently the G7 nations are limiting China’s entry to essential applied sciences, they’re additionally attempting to free themselves from what they regard as harmful dependencies on China. The uncommon earths and important minerals which can be essential for battery expertise and the inexperienced transition are prime of the checklist. As von der Leyen famous in her speech, the EU imports 97 per cent of its lithium — essential within the manufacturing of batteries — from China.

One other dependency that the west is striving to cut back is the greater than 90 per cent of superior semiconductors that come from Taiwan, the island which is weak to an invasion by China. The US Chips Act of 2022 supplied $52bn of funding to spice up the manufacturing of chips within the US.

The speculation behind de-risking is now moderately clear. The apply, nonetheless, is way murkier.

Three massive difficulties are already rising. First, the conflict between the pursuits of corporations and international locations. Second, the problem and expense of lessening dependencies on China. Third, a lingering ambiguity concerning the nature of the chance. Are we involved about political coercion by China, or are we actually worrying a couple of battle?

In regular instances, supporting home corporations that need to export is a key objective of western governments. However that’s now not all the time the case, on this planet of de-risking.

Final week Jensen Huang, CEO of Nvidia, the California-based semiconductor group, warned of “monumental injury” to American corporations if they’re prevented from promoting superior chips to China. However US officers are unrepentant. They level out that Nvidia chips are essential to the event of AI.

Additionally they say that China may simply use superior AI for all kinds of nefarious functions, from the manufacturing of bio-weapons (a specific Chinese language curiosity, apparently) to political manipulation via “deep faux” information. The additional tightening of restrictions on outbound funding to China, by each the EU and the US, will imply that extra western corporations expertise Nvidia-style controls in future.

However the restriction of exports and important applied sciences is clearly a sport that two can play at. So the west can be urgently attempting to cut back its dependencies on China in essential areas.

Opinions differ on how straightforward this can be. Liesje Schreinemacher, the Dutch commerce minister, warned this week that Europe’s inexperienced transition can be unimaginable with out China, which is by far the biggest world producer of photo voltaic panels, batteries and the essential minerals that go into them. One western intelligence official contends: “It’s taken 30 years to construct up our dependency on China for essential minerals and uncommon earths, and it’ll take the identical period of time to unwind it.”

However Jason Matheny, president of the Rand Company, who labored on expertise and nationwide safety in Joe Biden’s White Home, is extra optimistic. He factors out that “uncommon earths are literally not that uncommon”. China’s actual lock is on the processing of essential minerals, which is usually a really soiled enterprise. However some international locations with a comparatively low inhabitants density, comparable to Australia, appear ready to take that on.

The rising western method to de-risking rests on three broad pillars: cut back dependencies on China, prohibit expertise exports, but additionally proceed to encourage western corporations to commerce with the huge Chinese language market. It’s a kind of coherent coverage, so long as the chance that’s being hedged in opposition to is political coercion. However it begins to crumble if the chance is an precise battle between the US and China, maybe over Taiwan. Unnervingly, some US officers now put the prospect of a army battle at 50 per cent or extra.

If that occurs, then western corporations will come below rapid strain to drag out of China. For a agency like Apple, whose merchandise are primarily produced in southern China, or Volkswagen, which makes at the very least half its earnings in China, which may spell company loss of life. However, as one western safety official places it: “If there’s a battle with China, the influence on the world automotive market would be the least of our issues.”

gideon.rachman@ft.com