The most far reaching speech at the Federal Reserve’s Jackson Hole meeting last week was not the opening address by chairman Janet Yellen, interesting though it was, but the contribution on the fiscal theory of the price level (FTPL) by Professor Christopher Sims of Princeton University.
The FTPL is normally wrapped in impenetrable mathematical models, and it has therefore remained obscure, both to policy makers and to investors. But the subject is now moving centre stage, as Prof Sims’ lucid explanation makes very apparent. It has important implications for the conduct of macro-economic policy, especially in Japan and the eurozone member states.
In these countries, Prof Sims is challenging the claim that further quantitative easing can achieve the 2 per cent inflation target, without explicit co-operation with the government budget. In the US, he is disputing Ms Yellen’s assertion last week that the Fed has further unconventional monetary weapons in reserve if the economy is hit by negative shocks in the future. Read more