Private-sector advisers to the Japanese government on Friday warned that the yen’s rapid depreciation may deal a blow to the economy by accelerating inflation, urging the Bank of Japan to respond “appropriately” to keep excessive price gains in check. The members of the prime minister’s top economic and fiscal policy advisory panel cited the weaker yen, inflation outpacing wage growth and lackluster private consumption as posing challenges to the Japanese economy, which likely contracted in the first three months of 2024. “When the yen weakens sharply and commodity prices surge, this can have …