Here is WSJ article:The Wacky Negative Interest-Rate Experiment Ends With a Thud A supposed central-bank innovation never gained traction economically but went on for more than a decade anyway. What was gained? The most generous thing you can say about pushing interest rates below zero is that it was an idea ahead of its time. The experiment that turned the world of finance upside down ended this past week in Japan without having accomplished much of anything. At times it felt like 12 years in a strange new worldsort of like going south of the South Pole. Outside of the central banks that pushed the idea as a solution to stagnant growth, few people were persuaded. Wall Street still doesn't like it. Ordinary people certainly never got comfortable with the idea of being paid to borrow and charged to save money. And the unintended consequences of muscular monetary policy continue to pile up. Negative rates in Europe and Japan and the aggressive response to Covid-19 in the U.S. helped spawn some of the most inane investment opportunities since the dot-com bubble, from SPACs to joke cryptocurrenciesthings that almost make sense when money is free. More lastingly, tens of millions of Americans snagged mortgages that they will be telling their grandkids about, possibly in the same house they bought with them since it is now too expensive to move. Americans not particularly interested in economics might not give much thought to other countries' experiments with negative rates, e