Finance Formulas / July 19, 2018 / Alia Marquez
To force banks to increase capital buffers, and ensure they can withstand financial distress before they become insolvent, Basel III rules would tighten both tier-1 capital and risk-weighted assets (RWAs). The equity component of tier-1 capital has to have at least 4.5% of RWAs. The tier-1 capital ratio has to be at least 6%. Basel III also introduced a minimum leverage ratio, with Tier-1 capital must be at least 3% of total assets, and more for global systemically important banks that are too big to fail. The Basel III rules have yet to be finalized due to an impasse between the U.S. and Europe.
In the short run, a firm can make an economic profit. However, if there is economic profit, other firms will want to enter the market. If the market has no barriers to entry, new firms will enter, increase the supply of the commodity, and decrease the price. This decrease in price leads to a decrease in the firm’s revenue, so in the long-run, economic profit is zero. An economic profit of zero is also known as a normal profit. Despite earning an economic profit of zero, the firm may still be earning a positive accounting profit.
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