(Bloomberg) -- US Treasuries are seen globally as the world’s favored haven asset. Yet it’s short maturities that best fit that definition, according to a Federal Reserve Bank of Dallas paper.Most Read from BloombergStudent Loan-Relief Backers Warn Biden ‘Failure Isn’t an Option’UBS Preparing to Cut Over Half of Credit Suisse WorkforceWagner Chief Lands in Belarus as Putin Says ‘Civil War’ AvertedPickleball Injuries May Cost Americans Nearly $400 Million This Year, According to UBSPutin Blasts W