Summary of “Animal Spirits: How Human Psychology Drives the Economy, and Why It Matters for Global Capitalism” by George Akerlof and Robert Shiller (2009)

Summary of

Finance, Economics, Trading, InvestingFoundational Economics

Introduction

“Animal Spirits: How Human Psychology Drives the Economy, and Why It Matters for Global Capitalism” by George Akerlof and Robert Shiller is a groundbreaking exploration of the intersection between economics and human psychology. This book challenges the conventional economic models that assume rational behavior, instead arguing that emotional and psychological factors—referred to as “animal spirits”—play a crucial role in driving economic decisions. With the world still reeling from the 2008 financial crisis, Akerlof and Shiller’s insights offer a fresh perspective on the underlying forces that shape global capitalism. The book is a must-read for anyone interested in understanding the true drivers behind economic behavior, and it serves as a timely reminder of the importance of psychological factors in the stability and growth of economies.

Understanding “Animal Spirits”

Akerlof and Shiller begin by defining “animal spirits,” a term originally coined by John Maynard Keynes to describe the instincts, emotions, and psychological drivers that influence human decision-making in economic contexts. The authors argue that traditional economic theories, which assume that people make decisions based purely on rational calculations, fail to account for these non-rational influences. “Animal spirits” include a range of psychological factors, such as confidence, fairness, corruption, money illusion, and stories, which collectively shape economic outcomes.

Example: One of the most striking examples the authors provide is the role of confidence in driving economic cycles. They explain that during times of high confidence, individuals and businesses are more likely to invest, borrow, and spend, leading to economic booms. Conversely, when confidence falters, as it did during the Great Depression and the 2008 financial crisis, economic activity slows, and recessions or depressions ensue.

Memorable Quote: “The economy is not just driven by rational actors making decisions based on available information. It is driven by our animal spirits—our confidence, our sense of fairness, our tendency to corruption, our money illusions, and the stories we tell ourselves.”

Confidence and Its Impact on the Economy

The first major theme Akerlof and Shiller explore is confidence. They argue that confidence is a key driver of economic activity, influencing everything from consumer spending to business investment. When confidence is high, economic activity flourishes; when it is low, the economy stagnates. The authors illustrate this with historical examples, such as the stock market crash of 1929 and the subsequent Great Depression, where a collapse in confidence led to a dramatic contraction in economic activity.

Example: The authors discuss the housing bubble leading up to the 2008 financial crisis, where overconfidence in ever-increasing housing prices led to risky investments and eventually to the market’s collapse. They argue that without considering the role of confidence, traditional economic models failed to predict the crisis.

Memorable Quote: “Confidence multiplies prosperity, and fear amplifies decline. The vicious cycle of fear and falling confidence was the real engine of the Great Depression.”

The Role of Fairness in Economic Decisions

Another critical aspect of “animal spirits” is the human sense of fairness. Akerlof and Shiller argue that people are not purely self-interested economic agents; they are also driven by a desire for fairness. This sense of fairness can lead to actions that may seem irrational from a purely economic standpoint but make sense when viewed through the lens of human psychology.

Example: The authors provide the example of wage cuts during economic downturns. Traditional economic theory suggests that businesses should cut wages to avoid layoffs during tough times. However, Akerlof and Shiller point out that workers perceive wage cuts as unfair, leading to decreased morale, productivity, and, ultimately, a less efficient workforce. This sense of fairness, therefore, has significant economic implications.

Memorable Quote: “Fairness is not just a side concern. It is a central driver of economic behavior, influencing everything from wages to consumption to investment decisions.”

Money Illusion: The Misinterpretation of Economic Signals

Akerlof and Shiller introduce the concept of money illusion, where people confuse nominal values with real values. This psychological bias leads to misunderstandings about inflation, wages, and interest rates. Money illusion can cause people to make poor economic decisions, such as underestimating the effects of inflation on their purchasing power or failing to adjust wages in line with real value changes.

Example: The authors discuss how money illusion contributed to the housing bubble, with buyers focusing on the nominal prices of homes rather than considering the impact of inflation and real value. This led to the widespread belief that housing prices could only go up, which fueled risky borrowing and investment practices.

Memorable Quote: “People see the number on their paychecks, not the value it represents. This money illusion distorts economic decisions, leading to booms and busts that might otherwise be avoided.”

The Influence of Stories on Economic Behavior

Stories, according to Akerlof and Shiller, play a pivotal role in shaping economic outcomes. They argue that the narratives people tell themselves and others—whether about the inevitability of market growth or the fear of economic collapse—can have a profound impact on economic behavior. These stories can create self-fulfilling prophecies, where belief in a particular outcome leads to actions that bring that outcome to fruition.

Example: The authors discuss the dot-com bubble, where stories of the internet’s limitless potential led to speculative investments in tech companies, many of which had no solid business model. The narrative of inevitable growth drove stock prices to unsustainable levels, culminating in a dramatic crash when the bubble burst.

Memorable Quote: “Economic booms and busts are often not driven by reality but by the stories we tell ourselves. These stories can build empires or bring them crashing down.”

The Broader Implications for Global Capitalism

In the latter part of the book, Akerlof and Shiller explore the broader implications of their theory for global capitalism. They argue that recognizing the role of “animal spirits” in economic behavior has profound implications for economic policy. For example, they suggest that governments and central banks need to consider psychological factors when designing economic policies, rather than relying solely on traditional economic models.

Example: The authors highlight the importance of government intervention during economic crises, arguing that in times of low confidence, government spending can help restore confidence and stimulate economic activity. They point to the success of the New Deal during the Great Depression as an example of effective government intervention driven by an understanding of human psychology.

Memorable Quote: “Ignoring the animal spirits that drive our economies is to misunderstand the very nature of economic activity. Policymakers must take these factors into account if they hope to create stable and prosperous economies.”

Conclusion

“Animal Spirits: How Human Psychology Drives the Economy, and Why It Matters for Global Capitalism” by George Akerlof and Robert Shiller is a compelling examination of the psychological forces that shape economic behavior. By challenging the traditional assumption of rational economic actors, Akerlof and Shiller provide a more nuanced understanding of the economy—one that takes into account the emotional and psychological drivers of human behavior. Their insights are particularly relevant in the context of the 2008 financial crisis and offer valuable lessons for policymakers and economists alike.

The book has been widely praised for its innovative approach and has sparked significant debate among economists and policymakers. As global capitalism continues to evolve, the ideas presented in “Animal Spirits” will likely remain central to discussions about the future of economic policy. In a world where economic stability is often elusive, understanding the role of human psychology in economic decision-making is more important than ever.

Finance, Economics, Trading, InvestingFoundational Economics