For example, consider a typical company earning, say, 12% on equity. Assume a very high turnover rate in its shares of 100% per year. If a purchase and sale of the stock each extract commissions of 1% (the rate may be much higher on low-priced stocks) and if the stock trades at book value, the owners of our hypothetical company will pay, in aggregate, 2% of the company’s net worth annually for the privilege of transferring ownership. This activity does nothing for the earnings of the business, and means that 1/6 of them are lost to the owners through the “frictional” cost of transfer. (And
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