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In economics, a transaction cost is a cost incurred when making an economic trade when participating in a market. [1]The idea that transactions form the basis of economic thinking was introduced by the institutional economist John R. Commons in 1931.
Trigonometric functions and their reciprocals on the unit circle. All of the right-angled triangles are similar, i.e. the ratios between their corresponding sides are the same.
The Sarbanes–Oxley Act of 2002 is a United States federal law that mandates certain practices in financial record keeping and reporting for corporations.The act, Pub. L. 107–204 (text), 116 Stat. 745, enacted July 30, 2002, also known as the "Public Company Accounting Reform and Investor Protection Act" (in the Senate) and "Corporate and Auditing Accountability, Responsibility, and ...