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Analysis-German spending boost to leave lasting impact on world bond markets
FILE PHOTO: Berlin Travel Guide · Reuters

By Alun John, Tom Westbrook and Dhara Ranasinghe

LONDON/SINGAPORE (Reuters) - A sea change in German fiscal policy is rapidly transforming global bond markets as it is expected to increase the pool of top-rated, safe-haven debt and propel Germany into a new era of structurally higher government bond yields.

The parties hoping to form Germany's next government agreed last week to create a 500 billion euro ($543 billion) infrastructure fund and overhaul borrowing rules.

In response, Germany's bond market suffered its biggest weekly selloff since the 1990s, pushing 10-year bond yields up more than 40 basis points to around 2.9%, as investors anticipated a jump in bond sales to fund increased spending.

Even considering road bumps such as securing parliamentary support to pass reforms, many suspect the end result will be a lasting shift for German government bonds, the euro area benchmark.

Several banks reckon 10-year Bund yields could now reach 3%, more than 20 bps above Monday's trading. The German 10-year yield has not sustained a level above 3% since the global financial crisis and the government's 2009 introduction of a "debt brake" to balance the books. It fell below 0% between 2019 and 2022 and ended last year just above 2%.

But investors are suddenly facing the prospect of a more dynamic German economy with higher growth and higher borrowing.

"To suddenly have this fiscal impulse from Germany, a paradigm shift, it makes our clients question the region completely differently," said Kal El-Wahab, head of EMEA linear rates trading at BofA, who noted that for much of his twenty-year-long career the outlook for Europe's economy had been sluggish.

El-Wahab said it was too early for large structural portfolio shifts to take place, but trading activity so far showed there was conviction around the European growth story.

Germany's plans and increased European defence spending increase potential GDP growth by 1.5% in Germany and 0.8% in the euro zone by 2030, BNP Paribas estimates.

Meanwhile, Commerzbank says the measures could easily add up to more than 1 trillion euros of additional debt over the next 10 years, significantly boosting the supply of top-rated bonds sought after by investors globally.

Overall, Germany's AAA rating benefits from its high fiscal flexibility, S&P Global Ratings said.

"This fiscal awakening is a push further into collateral abundance with far-reaching consequences for Bunds and their place in the European government bond market," said Barclays head of rates strategy Rohan Khanna.