Canarella, Giorgio; Miller, Stephen M.; Nourayi, Mahmoud M. - In: Journal of Economics and Business 66 (2013) C, pp. 76-97
We analyze the stochastic properties of three measures of profitability, return on assets (ROA), return on equity (ROE), and return on investment (ROI), using a balanced panel of US firms during the period 2001–2010. We employ a panel unit-root approach, which assists in identifying...
