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Operating Expenses Disguised as Inventory

Companies need to keep some amount of inventory. When I go to a home repair supplier, I expect them to have the copper pipe I need in stock. When I go to my local bakery, I expect them to have the macarons I crave in stock. When I go to my local grocer, I expect […]

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Big companies are incentivized to increase product specialization and complexity. Why?

Our culture values specialization. Having specialized skills often leads to outsized material benefits. It also often results in praise and social status. Consider the social recognition that would be given to a medical doctor who is a primary care family medicine doctor compared to that given to an orthopedic surgeon. They are both highly educated, […]

British Economist Ronald Coase

Transaction Costs in the American Economy from 1870 to 1970

What Are Transaction Costs? Transaction costs are often overlooked in economics and textbook finance. In real life economics, however, they play a very significant role. In corporate finance, you can see many of a company’s transaction costs located in the selling and administrative categories within the Selling, General and Administrative (SG&A) section of their Income […]

Nobel Prize Winning Economist Ronald Coase

Coase’s Theory of the Firm

During the Great Depression, British economist Ronald Coase wrote a famous essay on the nature of the firm or company. As with America at the time, many free-market economies were also enduring a severe and difficult economic depression. The Soviet Union, however, was growing to become a significant industrial economy. This led to a debate […]

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Transaction Costs and SG&A Expenses

Selling, General or Administrative Expenses One way to see how economic transaction costs are internalized within a company is in the SG&A Expense lines of a company’s income statement. All of the selling and administrative expenses are internalized transaction costs, and so is the insurance expense within the general expenses category. This is not the […]



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