How much risk economic and strategic factors pose for the operations of a firm, its profitability and long-term solvency? We use the rate of Return on Assets (ROA) to answer this question.

经济及战略因素给企业经营、盈利及长期流动性所带来的风险，我们用资产回报率来回答这个问题。

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The Piotroski: High F-Score screen comes close, using return on assets, also referred to as ROA. However, the screen looks for a year-over-year improvement in ROA instead of a specific number or level.

FORBES: Beware: Weak Link Between Return On Equity And High Stock Price Returns