What Is Arbitrage?
The cost of equity will rise by an amount just sufficient to offset any possible saving or loss. The supply of debt is determined by the lenders. The optimal level is simply the maximum amount of debt which lenders are prepared to subscribe in any given circumstances. For example, level of inflation, rate of economic growth, level of profits etc. The investors will exercise their own leverage by mixing their own portfolio with debt and equity. They call this the Arbitrage process. Under these conditions of investments the average cost of capital is constant. If two different firms which same level of business risks but with levels of gearing sold for different values, then shareholders would move from overvalued firm to the undervalued firm and adjust their level of borrowings through the market to maintain financial risk at the same level. The shareholders would increase their income through this method. Continue reading