B Buffs

B Buffs

Cost Structure

Frustrated woman holding a receipt, representing analysis of fixed and variable costs in business

Understanding your cost structure is a fundamental step in business decision-making. It helps guide efforts to minimize costs, set appropriate prices, recognize economies of scale, and make informed decisions about whether to continue operations. It also plays a key role…

Overview: Simpler Than You Think, More Vital Than You Know

Person planning marketing strategy represented by chess game, capturing decisive move with king piece

Why Marketing Strategy Matters Among the many types of business strategies—such as financial, technological, or operational—marketing strategy stands out as especially relevant to nearly everyone in a business environment. Understanding marketing strategy isn’t too difficult—especially at the level we encounter…

The Lowdown on Stockholders’ Equity

The Lowdown on Stockholders' Equity

Stockholders’ equity represents the portion of a company’s assets that remains after we subtract all liabilities. Think of it as the owners’ residual claim on the company. This equity section primarily consists of two key parts: Contributed Capital and Earned…

A Linear Algebra Approach to Least Squares

A 3D mathematical visualization showing a vector 'y' outside a planar subspace 'W'. A dashed line representing the error vector drops orthogonally from 'y' onto the plane to the closest point 'Ax', illustrating the geometric solution to the least squares problem.

In science and engineering, we rarely get perfect data. When we collect measurements \((t_i, y_i)\), they almost never fall perfectly on a straight line due to noise or experimental error. We are usually looking for the “best fit” line \(y…

Economies of scale

Economies of scale in automobile manufacturing

Economies of scale refer to the cost advantages that businesses gain as they increase their production levels. Why do these advantages occur? To understand this, let’s review some key variables and introduce new ones along with appropriate notation. The variables…

External Analysis: Porter’s Five Forces (1/5)

Competitive Rivalry

Analyzing a business situation typically involves examining both the external environment and a company’s internal capabilities. In this session, we’ll begin by exploring frameworks specifically designed to assess the external environment. Why the External Environment Matters Understanding external factors—especially the…

External Analysis: Porter’s Five Forces (3/5)

Pizza and sandwich side by side representing the threat of substitute products in business

3st Force: Threat of Substitutes Rethinking Competition: More Than Just Direct Rivals We often think of competition as coming from businesses that offer the same product or service. However, there’s another, often subtler, type of competitor: substitutes. What Are Substitutes?…