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Inflation: the story on HearLore | HearLore
Inflation
In the year 330 BC, as Alexander the Great conquered the Persian Empire, a quiet economic revolution began that would echo through two millennia of human history. This was not a war of swords and shields, but a war of currency. The rapid influx of money into the conquered territories triggered one of the earliest documented periods of inflation in the ancient world, proving that the value of money is not fixed but fragile. When governments began to dilute the silver content of their coins, mixing them with cheaper metals like copper or lead, they did not just create more coins; they created a system where the value of each coin was secretly lowered. This process, known as debasement, allowed rulers to profit from the difference between the face value of the coin and its actual metal content, a practice called seigniorage. Yet, as the relative value of these coins fell, consumers were forced to hand over more and more coins to purchase the same goods and services. The Roman Empire would later experience this same cycle repeatedly, with the denarius containing over 90% silver at the ascent of Nero in AD 54, yet by the 270s, hardly any silver remained. The result was a society where the currency itself became a weapon, eroding the purchasing power of the common citizen while enriching the state.
The Price Revolution
For a thousand years following the fall of the Roman Empire, Europe experienced a strange economic silence regarding price stability, but the silence was broken in the second half of the 15th century. A massive inflationary cycle, later termed the Price Revolution, swept across Western Europe, causing prices to rise sixfold over the course of 150 years. This economic upheaval was not driven by a sudden change in human behavior or a new technology, but by the flood of gold and silver seized and mined by the Spaniards in Latin America. The influx of New World metal into Habsburg Spain created a situation where the supply of money vastly outstripped the economy's ability to produce goods, leading to widespread inflation. This phenomenon compounded an earlier process of inflation that had begun with the European population rebound from the Black Death. The story of inflation is also one of human greed and political crisis, exemplified by the Malian king Mansa Musa. During his hajj to Mecca in 1324, his camel train, which included thousands of people and nearly a hundred camels, passed through Cairo and spent or gave away so much gold that it depressed the price of gold in Egypt for over a decade. This single event demonstrated how the movement of vast quantities of currency could alter the economic landscape of an entire region, reducing the purchasing power of the local currency and creating a ripple effect that lasted for years.
What caused the earliest documented period of inflation in the ancient world?
The earliest documented period of inflation began in the year 330 BC when Alexander the Great conquered the Persian Empire. This event triggered a rapid influx of money into conquered territories and led to the debasement of silver coins by mixing them with cheaper metals like copper or lead.
How did the Price Revolution affect Western Europe in the 15th century?
The Price Revolution swept across Western Europe in the second half of the 15th century and caused prices to rise sixfold over the course of 150 years. This economic upheaval was driven by the flood of gold and silver seized and mined by the Spaniards in Latin America.
What was the annual inflation rate in Venezuela as of October 2018?
Venezuela recorded an annual inflation rate of 833,997% as of October 2018, which stands as the highest in the world. This extreme case demonstrates how quickly a currency can lose its value when the supply of money is not backed by real economic output.
When did New Zealand first implement inflation targeting as a monetary policy strategy?
New Zealand first implemented inflation targeting as a monetary policy strategy in 1990. As of 2023, the central banks of all G7 member countries follow an inflation target, with the official target in most OECD countries being about 2 percent.
What theories dominated macroeconomic research after World War II and during the 1970s?
Keynesian economics dominated macroeconomic research and economic policy in the first decades after World War II. The stagflation of the 1970s proved the limitations of the Keynesian view and led to the rise of monetarist theories led by Milton Friedman.
What factors contributed to the 2021 and 2023 inflation surge?
The 2021 and 2023 inflation surge peaked in 2022 and was caused by a mixture of expansionary fiscal and monetary policy after the COVID-19 pandemic. Additional drivers included supply chain problems, energy price rises following the 2022 Russian invasion of Ukraine, and corporate profits.
The transition from commodity money to fiat currency marked a turning point in economic history, allowing for rapid increases in the money supply that had never been possible before. In ancient China, the Song dynasty introduced the practice of printing paper money to create fiat currency, a move that would eventually lead to the Mongol Yuan dynasty spending vast sums on costly wars and reacting by printing more money, leading to severe inflation. Fearing the inflation that plagued the Yuan dynasty, the Ming dynasty initially rejected the use of paper money and reverted to using copper coins. The adoption of fiat currency by many countries from the 18th century onwards made much larger variations in the supply of money possible, often leading to hyperinflation episodes during political crises. The hyperinflation in the Weimar Republic of Germany stands as a notable example of this phenomenon, where the value of money collapsed to the point where people needed wheelbarrows full of cash to buy basic necessities. The most extreme case in history occurred in Venezuela, which recorded an annual inflation rate of 833,997% as of October 2018, the highest in the world. These episodes of hyperinflation, which normally designate inflation rates that surpass 50 percent monthly, show how quickly a currency can lose its value when the supply of money is not backed by real economic output. The story of inflation is one of the tension between the need for money to facilitate trade and the temptation to print more of it to solve immediate political problems.
The Great Moderation
Since the Great Depression in the 1930s, which was characterized by major deflation, there has been a general tendency for prices to rise every year, but the volatility of the 20th century has given way to a period of stability known as the Great Moderation. This era, beginning in the 1980s, saw inflation held low and stable in countries with independent central banks, leading to a moderation of the business cycle and a reduction in variation in most macroeconomic indicators. The double-digit inflation era of the 1970s and early 1980s, where annual inflation in most industrialized countries reached ten percent or more, was of short duration, and by the mid-1980s, inflation returned to more modest levels. This shift was driven by the adoption of inflation targeting as a monetary policy strategy, first implemented by New Zealand in 1990. As of 2023, the central banks of all G7 member countries follow an inflation target, including the European Central Bank and the Federal Reserve, who have adopted the main elements of inflation targeting without officially calling themselves inflation targeters. The strategy involves the central bank perpetually adjusting the bank rate to influence the country's inflation rate towards its official target, which in most OECD countries is about 2 percent. This approach has been generally considered to work well, allowing economies to avoid the inefficiencies associated with high inflation while maintaining the flexibility needed to respond to economic shocks.
The Theory of Money
The intellectual history of inflation is a saga of competing theories, from the quantity theory of money to the real bills doctrine, and from Keynesian economics to monetarism. In the 16th century, thinkers began to present what is now considered to be early formulations of the quantity theory of money, which claims that inflation results when money outruns the economy's production of goods. This theory was debated against the real bills doctrine, which asserts that inflation results when money outruns its issuer's assets. The debate between currency, or quantity theory, and banking schools during the 19th century prefigures current questions about the credibility of money in the present. In the 20th century, Keynesian economics dominated macroeconomic research and economic policy in the first decades after World War II, emphasizing that wages and prices were sticky in the short run. However, the stagflation of the 1970s, characterized by rising unemployment and rising inflation, proved the limitations of the Keynesian view and led to the rise of monetarist theories led by Milton Friedman. Friedman famously stated that inflation is always and everywhere a monetary phenomenon, reviving the quantity theory of money and arguing that the most significant factor influencing inflation is how fast the money supply grows or shrinks. This intellectual battle continues today, with modern theories incorporating demand shocks, supply shocks, and inflation expectations to explain the complex dynamics of price levels.
The Human Cost
Inflation is not merely an abstract economic statistic; it is a force that reshapes the lives of ordinary people and can even topple governments. High or unpredictable inflation rates are regarded as harmful to an overall economy, adding inefficiencies in the market and making it difficult for companies to budget or plan long-term. The uncertainty about the future purchasing power of money discourages investment and saving, while inflation can act as a hidden tax on currency holdings. For those on fixed nominal incomes, such as some pensioners whose pensions are not indexed to the price level, inflation erodes their real value, redistributing purchasing power from the poor to those with variable incomes. The social unrest and revolts that have followed high inflation are a testament to its power, with food inflation considered one of the main reasons that caused the 2010, 2011 Tunisian revolution and the 2011 Egyptian revolution. In these conflicts, the erosion of purchasing power led to massive demonstrations and revolutions, resulting in the ousting of presidents like Zine El Abidine Ben Ali and Hosni Mubarak. The story of inflation is one of the tension between the need for money to facilitate trade and the temptation to print more of it to solve immediate political problems, a tension that has shaped the course of human history.
The Modern Equation
In the 21st century, the causes of inflation have become a complex mix of demand and supply shocks, with the 2021, 2023 inflation surge peaking in 2022 and declining in 2023. The causes are believed to be a mixture of expansionary fiscal and monetary policy after the COVID-19 pandemic, supply chain problems also caused by the pandemic, and energy price rises following the 2022 Russian invasion of Ukraine. The term sellers' inflation was coined during this period to describe the effect of corporate profits as a possible cause of inflation, where firms can provide greater shareholder value by taking a larger proportion of profits than by investing in providing greater volumes of their outputs. Housing shortages, immigration, and climate change have been cited as significant drivers of inflation in the 21st century, adding new dimensions to the old problem. Despite the growth in the money supply, which increased about 45% from 2010 through 2015, the inflation rate declined during that period, challenging the predictions of monetarism. Fed chairman Jerome Powell said in December 2021 that the once-strong link between the money supply and inflation ended about 40 years ago, due to financial innovations and deregulation. The modern understanding of inflation is a synthesis of old and new ideas, recognizing that both monetary and fiscal policy are important tools for influencing aggregate demand, and that the credibility of central banks is crucial in managing inflation expectations.