The Accounting Equation

The Accounting Equation

The basic features of the accounting model in use today trace roots back over 500 years. Luca Pacioli, a Renaissance era monk, developed a method for tracking the success or failure of trading ventures. The foundation of that system continues to serve the modern business world well, and is the entrenched cornerstone of even the most elaborate computerized systems. The nucleus of that system is the notion that a business entity can be described as a collection of assets and the corresponding claims against those assets. The claims can be divided into the claims of creditors and owners (i.e., liabilities and owners’ equity). This gives rise to the fundamental accounting equation:

Assets = Liabilities + Owners’ Equity

Assets

Assets are the economic resources of the entity, and include such items as cash, accounts receivable (amounts owed to a firm by its customers), inventories, land, buildings, equipment, and even intangible assets like patents and other legal rights and claims. Assets are presumed to entail probable future economic benefits to the owner.

Liabilities

Liabilities are amounts owed to others relating to loans, extensions of credit, and other obligations arising in the course of business. Implicit to the notion of a liability is the idea of an “existing” obligation to pay or perform some duty.

Owners’ Equity

Owners’ equity is the owner “interest” in the business. It is sometimes called net assets, because it is equivalent to assets minus liabilities for a particular business. Who are the “owners?” The answer to this question depends on the legal form of the entity; examples of entity types include sole proprietorships, partnerships, and corporations. A sole proprietorship is a business owned by one person, and its equity would typically consist of a single owner’s capital account. Conversely, a partnership is a business owned by more than one person, with its equity consisting of separate capital accounts for each partner. Finally, a corporation is a very common entity form, with its ownership interest being represented by divisible units of ownership called shares of stock. These shares are easily transferable, with the current holder(s) of the stock being the owners. The total owners’ equity (i.e., “stockholders’ equity”) of a corporation usually consists of several amounts, generally corresponding to the owner investments in the capital stock (by shareholders) and additional amounts generated through earnings that have not been paid out to shareholders as dividends (dividends are distributions to shareholders as a return on their investment). Earnings give rise to increases in retained earnings, while dividends (and losses) cause decreases.