Behavioral Economics

Introduction Microeconomics is the branch of economics that studies how individuals, households, and firms make decisions about allocating scarce resources. While macroeconomics looks at the economy as a whole—GDP, inflation, unemployment—microeconomics zooms in on the building blocks that generate those aggregate outcomes. By understanding the incentives, constraints, and trade‑offs that shape everyday choices, we can explain everything from why a cup of coffee costs $3 to how a technology firm decides on its pricing strategy. ...

Introduction Why do smart people keep funding failing projects, sit through bad movies, or stay in unfulfilling jobs simply because they’ve “already invested so much”? The answer is the sunk cost fallacy: our tendency to let past, unrecoverable investments influence present choices that should be based only on future costs and benefits. This article offers a detailed, practical guide to understanding and avoiding sunk cost errors. We’ll cover the psychology behind the fallacy, when considering past investments is actually rational, and provide checklists, case studies, and code examples to help you make cleaner, forward-looking decisions in business and life. ...