Two Indicators: The 2% inflation target

Episode Summary

Executive Summary: Planet Money examines why the Fed’s 2% inflation target is so central, tracing its origin to New Zealand and debating whether 2%, 3%, or 4% would be better. The episode then explains inflation expectations and how the Fed’s credibility helped “anchor” them. After the pandemic briefly unmoored expectations, rate hikes and falling inflation appear to be restoring confidence.

Main Topics: The origin of the Fed’s 2% inflation target (Priority: 5/5): The episode explains that 2% was not derived from a perfect economic formula but emerged from New Zealand’s early inflation-targeting experiment in the 1980s and spread to other central banks. Should the inflation target be 2%, 3%, or 4%? (Priority: 5/5): Economists debate whether a higher inflation target would give central banks more room to cut interest rates during recessions without hitting the zero lower bound. How inflation expectations affect actual inflation (Priority: 5/5): The segment on expectation anchoring explains that consumers, workers, and firms change behavior based on expected inflation, which can reinforce price increases. The pandemic shock and unanchoring of expectations (Priority: 5/5): Supply disruptions, strong demand, stimulus, and low rates pushed inflation higher and led households to expect more inflation, creating a risk of a wage-price spiral. Fed credibility and interest-rate policy (Priority: 4/5): The Fed’s repeated commitment to 2% and its aggressive rate hikes are presented as crucial tools for re-anchoring expectations and lowering inflation. Sea shanty metaphor for macroeconomics (Priority: 3/5): The show uses a nautical metaphor and musical parody to make the idea of anchored versus unanchored inflation expectations more memorable and accessible.

Key Arguments: The 2% target was historically contingent, not scientifically optimal; it began as New Zealand’s practical anti-inflation policy and then became global orthodoxy. A slightly higher inflation target could be beneficial because it allows higher normal interest rates, giving the Fed more room to cut rates in downturns. Two percent inflation is psychologically small enough to fade into the background, reducing public concern and helping stabilize expectations. Inflation expectations matter because they influence spending, wage demands, and pricing decisions, which can either restrain or amplify inflation. The pandemic disrupted the anchor: households and firms began expecting higher inflation, which raised the risk of a self-reinforcing inflationary spiral. The Fed’s rate hikes and renewed anti-inflation messaging appear to be restoring credibility and re-anchoring expectations toward 2%.

Data Points: Original New Zealand inflation target: 0% to 2% - Arthur Grimes describes the slogan “Zero to two by 92” used to bring inflation down in New Zealand. New Zealand target deadline: 1992 - The phrase “Zero to two by 92” set the timeline for hitting the inflation goal. Historical inflation in New Zealand: Well above 10% - New Zealand was dealing with very high inflation before adopting inflation targeting. Fed inflation target: 2% - The U.S. Federal Reserve’s current formal inflation goal discussed throughout the episode. Alternative target proposed by Olivier Blanchard: 4% - Blanchard argued that 4% would provide more room for interest-rate cuts in recessions. Blanchard’s updated preferred target: 3% - He later softened his view and advocated 3% rather than 4%. Recent U.S. inflation rate: 6.5% year over year - The episode cites the consumer price index reading for December. Inflation decline streak: Six months in a row - The CPI had been falling for six consecutive months, signaling easing inflation. Fed policy rate move: Around 0% to around 4.5% - The Fed raised rates aggressively after inflation surged. Rate hike increments mentioned: 0.25, 0.5, and 0.75 percentage points - Examples of the size of Fed rate increases during the tightening cycle. Consumer expectations survey pattern: 2% average with many people saying 3%, 4%, 5%+ - Ricardo Reis notes early signs that household inflation expectations were becoming unanchored.

Pivotal Quotes: "Zero to two by 92." — Arthur Grimes / New Zealand central bank slogan: The original slogan used to communicate New Zealand’s inflation-targeting plan. "I think the advantage of two is it is small enough. It does kind of fall into the background." — Alison Schrager: Explaining why 2% inflation is appealing as a low, unobtrusive target. "What we had is that inflation shot up and stayed up for a month and another month." — Ricardo Reis: Describing why inflation expectations became unanchored after pandemic-era shocks.

Implications: The episode suggests the Fed’s real challenge is preserving credibility: if people believe inflation will fall, inflation is easier to control. The debate over 2% versus higher targets may matter less than the central bank’s ability to keep expectations anchored.