The Bank of Japan (BoJ) left its key short-term interest rate unchanged at -0.1% during its January meeting, and kept the target for the 10-year Japanese government bond yield at around 0%. At the same time, policymakers revised up their growth projection for the 2019 fiscal year beginning in April to 0.9% from an estimate of 0.7% made in October, helped by a boost from the government’s fiscal stimulus.