top of page

What is Behavioral finance?


Behavioral finance is a field of study that combines the disciplines of psychology and finance to better understand how people make financial decisions. Behavioral finance theory suggests that people's emotional and psychological biases can play a significant role in their financial decision-making, leading to irrational and suboptimal financial outcomes. This area of research seeks to explain the various cognitive biases that influence our financial behavior, such as overconfidence, herding, and loss aversion, and to identify ways to counteract these biases to help us make better financial decisions.


One of the key insights of behavioral finance is that people tend to be overconfident in their financial decisions. This overconfidence can lead to taking on excessive risk, investing too much in one stock or sector, and failing to diversify one's portfolio. Behavioral finance researchers have found that this overconfidence can be counteracted by educating people about the risks involved in investing and encouraging them to seek out professional financial advice.


Another behavioral bias that affects financial decision-making is herding, or the tendency to follow the actions of others. People often adopt the financial behaviors of those around them, such as investing in the same stocks or following the same financial advice, without considering the facts or their own personal circumstances. Behavioral finance researchers have found that herding can be reduced by encouraging people to think critically about their financial decisions and to seek out multiple sources of financial information.



Loss aversion is another behavioral bias that can lead to suboptimal financial outcomes. People often feel a greater sense of pain when they lose money than pleasure when they gain money, leading them to avoid taking on risk and miss out on investment opportunities. Behavioral finance researchers have found that loss aversion can be reduced by framing investment decisions in terms of potential gains rather than potential losses, and by encouraging people to adopt a long-term perspective when making financial decisions.

Behavioral finance also highlights the role of emotions in financial decision-making. People can become overly emotional in response to market volatility, leading them to make hasty and irrational investment decisions. Behavioral finance researchers have found that taking a more rational and systematic approach to investing, such as investing regularly through a dollar-cost-averaging strategy, can help to mitigate the influence of emotions on financial decision-making.


An example of behavioral finance in action occurred during the dot-com bubble of the late 1990s. At that time, many people were investing in tech stocks, despite high valuations and limited revenue, because of the herd mentality and the belief that the market would keep going up. This led to widespread overconfidence, as investors piled into technology stocks, driving prices to unsustainable levels.


Another example is the 2008 financial crisis, where widespread overconfidence and herding behavior in the real estate market led to a housing bubble. Many people were investing in real estate without fully understanding the risks involved, and as prices continued to rise, more and more people piled into the market, driving prices even higher. This bubble eventually burst, leading to widespread financial losses and a global financial crisis.

These examples highlight the importance of understanding behavioral biases and avoiding the temptation to follow the actions of others when making financial decisions. By avoiding overconfidence, herding, and other behavioral biases, we can make more informed and effective financial decisions and achieve our financial goals.


In conclusion, behavioral finance offers valuable insights into the emotional and psychological biases that influence our financial decision-making and provides guidance for making better financial decisions. By understanding the role of emotions, overconfidence, herding, and loss aversion in financial behavior, we can work to counteract these biases and make more rational, effective financial decisions.


By Sunny Wadhwani

February 19th, 2023

Comments


bottom of page