Tokyo, Feb 15 (Reuters): Japan unexpectedly slipped into a recession at the end of last year, losing its title as the world’s third-biggest economy to Germany and raising doubts about when the central bank would begin to exit its decade-long ultra-loose monetary policy. Some analysts are warning of another contraction in the current quarter as weak demand in China, sluggish consumption and production halts at a unit of Toyota Motor Corp (7203.T), opens new tab all point to a challenging path to an economic recovery. “What’s particularly striking is the sluggishness in consumption and capital expenditure that are key pillars