ECON102: Principles of Macroeconomics

Policymakers of the high-income economies appear to have learned some lessons about fighting inflation.

First, whatever happens with aggregate supply and aggregate demand in the short run, countries can use monetary policy to prevent inflation from becoming entrenched in the economy in the medium and long term.

Second, there is no long-run gain to letting inflation become established. In fact, allowing inflation to become lasting and persistent poses undesirable risks and tradeoffs. When inflation is high, businesses and individuals need to spend time and effort worrying about protecting themselves against inflation rather than seeking better ways to serve customers.

In short, the high-income economies appear to have both a political consensus to hold inflation low and the economic tools to do so. Despite this, periods of growing inflation can stagnate economic growth and lead to significant political consequences for leaders. In 2022, the U.S. inflation rate reached 9.1%, an unexpected peak that the country hadn't seen since 1981. As is often the case, President Joe Biden was held politically responsible and negotiated with Congress to pass a massive economic and climate bill titled the Inflation Reduction Act.

In a number of middle- and low-income economies around the world, inflation is far from a solved problem. In the early 2000s, Turkey experienced inflation of more than 50% per year for several years and continues to experience high inflation today. Belarus had inflation of about 100% per year from 2000 to 2001. From 2008 to 2010, Venezuela and Myanmar had inflation rates of 20% to 30% per year. Indonesia, Iran, Nigeria, the Russian Federation, and Ukraine all had double-digit inflation for most of the years from 2000 to 2010. Zimbabwe had hyperinflation, with inflation rates that went from more than 100% per year in the mid-2000s to a rate of several million percent in 2008.

In these countries, the problem of very high inflation generally arises from huge budget deficits, which the government finances by printing its domestic currency. This is a case of "too much money chasing too few goods." In the case of Venezuela, beginning in 2016, the government covered its widening deficits by printing ever-higher currency notes, with inflation reaching 1,000,000% by 2018. The crisis continues today, with high rates of inflation and high unemployment (over 40%). There is some discussion of dollarization, or a conversion from Venezuelan bolivars to U.S. dollars as the main currency, as a solution to the hyperinflation. Even in 2019, over 50% of transactions in Venezuela were reportedly using U.S. dollars, and banks issued debit cards denominated in U.S. dollars in 2021.

A number of countries have managed to sustain solid levels of economic growth for sustained periods of time with inflation levels that would sound high by recent U.S. standards, like 10% to 30% per year. In such economies, the governments index most contracts, wage levels, and interest rates to inflation. Indexing wage contracts and interest rates mean that they will increase when inflation increases to retain purchasing power. When wages do not rise as price levels rise, this leads to a decline in the real wage rate and a decrease in the standard of living. Likewise, interest rates that are not indexed mean that money lenders will receive payment in devalued currency and will also lose purchasing power on monies that they lent. It is clearly possible – and perhaps sometimes necessary – for a converging economy (the economy of a country that demonstrates the ability to catch up to the technology leaders) to live with a degree of uncertainty over inflation that would be politically unacceptable in the high-income economies.

Source: Rice University, https://openstax.org/books/principles-macroeconomics-3e/pages/19-4-causes-of-inflation-in-various-countries-and-regions
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