Will the Bank of Japan's negative rates work? Many people say no, among them Louis-Phillippe Rochon : Sadly, they won't. They [negative rates] are based on a faulty understanding of our banking system. The reason banks do not lend is not because they are constrained by liquidity, but because they are unwilling to lend in such uncertain times. Banks lend in the hope of getting reimbursed with interest. But banks are too pessimistic about the ability of the private sector to honour their debt, and so prefer not to lend. Having extra cash courtesy of the central bank imposing negative rates won't change the dark economic narrative. [ link ] I disagree. Even if the lending channel is closed, a negative rate policy still sets off a hot potato effect that gets the Bank of Japan a bit closer to hitting its inflation targets and stimulating nominal GDP than without that same policy. For the sake of argument I'll grant Rochon the point that negative rates might not encourage ba...