Modelling the tweetstorm? Political risks vex EM funds

Digital fusillades have heightened the risks facing emerging market investors


Emerging markets, already reeling from a monolithic US dollar and tepid local growth, face a new risk that’s tougher to model: random digital volleys by heads of state.

Some fund managers dismiss the occasional tweetstorm as mere noise, but at least one firm is trying to model their impact on asset prices.

“It’s a difficult thing to quantify, quite frankly,” says James Donald, head of the emerging markets group at Lazard Asset Management in New York, which is trying to capture the effect of

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