General, explained simply.

Anchoring bias is the tendency to rely too heavily on the first piece of information encountered when making financial decisions.

Asymmetric information exists when one party in a transaction has more or better information than the other, creating an imbalance that can lead to unfair outcomes.

A bull market is a period of rising stock prices, typically defined as a 20% gain from recent lows. A bear market is a period of falling prices, defined as a 20% decline from recent highs. Knowing which phase the market is in helps calibrate your investment strategy.

A beneficiary is a person or entity designated to receive assets from a financial account, insurance policy, or estate upon the account holder's death. Keeping beneficiary designations current is one of the most important — and most overlooked — financial tasks.

A black swan event is an unpredictable, rare occurrence with severe consequences that people rationalize in hindsight as if it were foreseeable.

CAGR is the rate at which an investment would have grown if it grew at a steady rate each year over a specific period. It is the most reliable way to compare the performance of different investments over different time frames.

The Consumer Price Index measures the average change in prices paid by urban consumers for a basket of goods and services over time. It is the most widely used measure of inflation in the United States.

Correlation measures whether two variables move together, while causation means one actually causes the other. Confusing them leads to flawed financial decisions.

Cost of living measures the average expense required to maintain a standard of living in a given location. It is a critical factor when comparing salaries across cities or evaluating a job offer in a new place.

Deflation is a sustained decrease in the general price level of goods and services. While falling prices sound appealing, deflation is often a sign of economic distress and can trigger a damaging spiral of reduced spending, declining wages, and rising real debt burdens.

The Dollar Smile Theory explains why the U.S. dollar strengthens during both extreme economic confidence and extreme risk aversion, but weakens in between.

The Dunning-Kruger effect in investing describes how beginners often overestimate their skill, while experienced investors better recognize what they do not know.

The economic cycle describes the recurring pattern of expansion, peak, contraction, and recovery that economies experience over time. Recognizing which phase the economy is in helps with financial and investment decisions.

The Federal Reserve is the central bank of the United States, responsible for setting monetary policy, regulating banks, and maintaining financial stability. Its decisions on interest rates ripple through every corner of personal finance.

A fiduciary is a person or institution legally obligated to act in your best financial interest. Understanding whether your financial advisor is a fiduciary is one of the most important questions you can ask before hiring one.

Financial literacy is the ability to understand and effectively apply financial skills including budgeting, saving, investing, and debt management. Higher financial literacy is one of the strongest predictors of long-term wealth accumulation.

Financial regulation encompasses the laws and oversight frameworks governing financial institutions, markets, and products to protect consumers, maintain market integrity, and prevent systemic risk. It shapes virtually every financial product available to consumers.

Fiscal policy refers to government decisions about taxation and spending to influence the economy. It is one of two main tools for managing economic growth, the other being monetary policy controlled by the Federal Reserve.

GDP measures the total monetary value of all goods and services produced within a country's borders in a given period. It is the primary indicator of a nation's economic health and size.

Gross income is your total earnings before any taxes or deductions are taken out. It is the starting point for calculating taxes, loan eligibility, and financial ratios — but it's not the money you actually live on.

Hyperinflation is an extreme and rapid escalation of prices — typically defined as exceeding 50% per month — that causes currency to lose value so fast it becomes nearly worthless. It is one of the most destructive economic events a population can experience.

Inflation is the rate at which the general price level of goods and services rises over time, reducing the purchasing power of money. It affects everything from grocery bills to retirement savings.

Interest rates are the cost of borrowing money, expressed as a percentage of the loan amount. They affect everything from your mortgage payment to the returns on your savings account.

Liquidity describes how quickly and easily an asset can be converted to cash without significantly affecting its price. High liquidity gives financial flexibility; low liquidity can trap wealth in hard-to-sell assets.

Loss aversion is the psychological tendency for people to feel the pain of losses roughly twice as intensely as the pleasure of equivalent gains.

Monetary policy is the set of actions taken by a central bank to manage money supply and interest rates to achieve economic goals like stable inflation and full employment. In the U.S., the Federal Reserve conducts monetary policy.

Moral hazard occurs when a party takes on more risk because they know someone else will bear the consequences of that risk.

Net income is the amount of money you take home after all taxes and deductions have been subtracted from your gross pay. It is the real number that determines your actual spending and saving capacity.

Opportunity cost is the value of the next-best alternative you give up when making a financial decision. Every financial choice has an opportunity cost, even when no money changes hands.

The Pareto Principle, or 80/20 rule, suggests that roughly 80% of financial outcomes come from 20% of efforts or decisions.

A power of attorney is a legal document granting one person the authority to act on another's behalf for financial or medical decisions. It is a critical component of any comprehensive financial and estate plan.

Purchasing power is the quantity of goods and services that a unit of currency can buy. Inflation erodes purchasing power over time, making it essential to invest in assets that grow faster than prices.

Quantitative easing (QE) is an unconventional monetary policy tool where a central bank purchases large quantities of assets to inject money into the financial system when traditional rate cuts are insufficient. It has been used extensively since the 2008 financial crisis.

A recession is a significant decline in economic activity lasting more than a few months, typically defined as two consecutive quarters of negative GDP growth. Recessions affect employment, investment, and personal finances.

Regression to the mean is the statistical tendency for extreme outcomes to be followed by more average results over time.

Risk tolerance is your ability and willingness to endure financial losses in pursuit of higher returns. Understanding your risk tolerance is essential for building an investment portfolio you can stick with through market volatility.

Risk-adjusted return measures how much return an investment generates relative to the amount of risk taken to achieve it.

The Rule of 72 is a quick mental math shortcut that estimates how many years it takes for an investment to double at a given annual return rate.

The Sharpe Ratio measures an investment's excess return per unit of risk, helping investors compare performance on a risk-adjusted basis.

Stagflation is the rare and painful economic condition of simultaneous high inflation, slow economic growth, and high unemployment. It challenges policymakers because the typical remedies for inflation and recession work against each other.

The sunk cost fallacy is the tendency to continue investing in something because of what you have already spent, rather than evaluating future value.

Supply and demand is the foundational economic model that explains how prices are determined by the interaction between how much of something is available and how much people want it. It drives prices in every market from housing to groceries to stocks.

Your time horizon is the length of time you plan to hold an investment or work toward a financial goal before needing the money.

A dollar today is worth more than a dollar tomorrow because today's dollar can be invested to earn returns. This foundational concept underpins nearly every financial decision.

The wealth gap is the unequal distribution of assets and financial resources across individuals or groups in a society. Understanding wealth inequality helps explain systemic financial challenges and informs both policy and personal strategy.