
How often do you use a credit card? Perhaps you even use more than one. In today’s economy, the small rectangle of plastic (or metal) in your wallet is more than just a tool for buying groceries; it is a gateway to a complex financial ecosystem. To truly understand credit cards, we have to look into the history, economics, and sociology of American debt.
Drawing from the insights of Louis Hyman, Robert Manning, Thomas A. Durkin, and Sean Vanatta, here is the story of how we became a “Credit Card Nation.”
Before the 20th century, personal debt was often viewed as a moral failing or the province of “loan sharks.” In “Debtor Nation,” Louis Hyman explains that credit was originally localized, meaning you had a “tab” at the neighborhood grocer.
The real transformation began after World War II. As Sean Vanatta details in his recent work “Plastic Money,” banks were looking for ways to bypass restrictive New Deal-era regulations that capped interest rates and limited where banks could operate. They landed on the credit card as a “bank in your pocket.”
Ambitious, to say the least.
The first major breakthrough was the Diners Club card in 1950, followed by BankAmericard (which became Visa) and Master Charge (later, Mastercard). As Hyman notes, the 1978 Marquette Supreme Court decision was a turning point, allowing banks to “export” the interest rates of their home state to the rest of the country. This led banks like Citibank to move their operations to states like South Dakota, effectively deregulating interest rates and turning consumer debt into a high-profit engine for Wall Street.
At its core, a credit card is a revolving loan. Unlike a car loan, which has a fixed end date, a credit card allows you to borrow, repay, and borrow again indefinitely.
You might see how this could quickly bury consumers in debt.
But even all the way back in 2001, Robert Manning observed a cultural shift where debt was no longer a personal embarrassment and instead viewed as a necessity and, extraordinarily, a source of personal identity. He views credit cards as a “technological modernization event that detaches itself from all social consequences.”
In “Consumer Credit and the American Economy,” Thomas A. Durkin and his co-authors argue that this system is a masterpiece of efficiency. It reduces the “transaction costs” of life. Instead of 20 different stores checking your credit individually, one bank does it once, and you can use that trust anywhere.
If you’re like me, you take advantage of credit card points whenever possible. Stacking points or airline miles feels like cash back incentives, and if you’ve ever wondered why a bank would give you 2% cash back or 50,000 airline miles just for spending money, the answer lies in a mix of psychology and “interchange fees.”
Do you have what Manning calls an “addiction to credit?” While the authors above warn of the systemic risks, they also provide a roadmap for how to navigate this world without being consumed by it. Here’s how to use your credit card responsibly and avoid a debt pit.
So, what’s the verdict? To paraphrase Robert Manning, is there power or peril in plastic? Everyone’s financial situation is unique, and we can help you take inventory of your funds and spending habits to determine if your credit card is supporting your goals. The credit card is a tool of immense convenience, but it was built by institutions designed to profit from people’s debt. A meeting with us can help you manage your credit usage and move from being a “user” of credit to managing your finances effectively.
We are available to discuss your financial strategy at your convenience.

You’re probably familiar with credit in your everyday life. Many Americans have credit cards, use them for everyday expenses, and (most) try to act responsibly to increase their credit scores. But where did it all come from? How did “credit” come about? And why is it such a prevalent part of our daily lives?
The railroad industry that initially connected America’s cities was funded almost entirely by government-backed bonds and high-interest private debt. It was the first industry that required billions in funding, made possible only though the pooling of money on a massive scale. This introductory phase of corporate finance saw corruption, scandal, and later, reform. Why is this piece of history important? Because this was the first time that debt became its own business in America. The railroad industry essentially collapsed due to the prioritization of debt payments over infrastructure and innovation. Many railroad companies went bankrupt, and the industry began to lose its luster.
Before credit scores were conceived, borrowers relied on testimony from friends and neighbors to vouch for their character and creditworthiness. But as credit reporting began to modernize, private firms began tinkering with ways to standardize the evaluation of credit. These early reports were subjective at best and often discriminatory, as they were influenced by the social biases that were held at the time. Eventually, private firms began to move toward impersonal, algorithmic forms of credit evaluations. Concerns over privacy and surveillance led to the Fair Credit Reporting Act in 1970, a landmark piece of legislation that required credit bureaus to open their files to the public. It also required the expungement of data on race, sexuality, and disability, as well as the deletion of negative information after a specified period of time.
In 1989, the “Big Three” credit reporting agencies (Equifax, TransUnion, and Experian) began to use a credit-reporting algorithm developed by FICO. This algorithm is basically the same algorithm used to generate your credit score today, which is a comprehensive assessment of your financial trustworthiness. Loans represent risk in the eyes of lenders, and a credit score functions as a financial identity, quantifying the likelihood that a particular borrower can – and will – pay back their loan. Credit history, paying off loans, late payments, declaring bankruptcy, and even simply applying for a loan can all affect your credit score.
Understanding the origins of the credit industry can help contextualize many of our financial decisions and can help us appreciate how far our nation has come in terms of fair, responsible financing practices. Financial advisories like ours are bound to a fiduciary responsibility, meaning we’re legally obligated to act in your best interest. As a fiduciary, financial responsibility is the backbone of our business, and with March being credit awareness month, this is the perfect opportunity to demonstrate our commitment to that responsibility. And when it comes to credit management, we’re here to help you understand how credit works in your life and to empower you to make informed financial decisions.
When was the last time you assessed your financial situation or checked your credit score? If you’re interested in talking about financial practices that can help you manage your credit, reach out to us and we’ll take a tailored approach to guiding you through personal finance best practices. It can make a significant difference when it comes to interest rates and your monthly loan payments on life’s largest expenses.