The days of the 500-euro note could be numbered, and not just because it’s the favorite of crime lords everywhere. As the European Central Bank ponders pushing its deposit rate further below zero, it finds itself aligned with authorities wanting to curb a means of tax evasion and terrorism financing. If, as mooted by ECB President Mario Draghi, policy makers abolished the region’s most-valuable bank note, they’d also help remove a major barrier to pushing interest rates lower. Deeper negative rates could at some point push lenders to move their money out of their central bank deposit account and into cash rather than ... (full story)