$Tesla(TSLA.US) Musk predicts that deflation will arrive in three years. The essence of inflation and deflation is whether the government prints money faster or the economy develops faster.

Musk predicts that robots and AI will enable economic development to outpace inflation within 3 years. Interest rates may drop to 0. The economy will enter an unprecedented period of crazy growth.

(What could lower commodity prices to zero more effectively than robots? Although it will take some time, getting through it leads to a bright future.)