However, people have often found it difficult to quantify the relative probabilities and economic value of loss to provide practical approaches for determining a riskbalanced “sweet spot” operating point. This article draws on results the emerging field of value-based software engineering (see the sidebar). VBSE aims to provide a quantitative approach to such questions as how much software quality investment is -However, people have often found it difficult to quantify the relative probabilities and economic value of loss to provide practical approaches for determining a riskbalanced “sweet spot” operating point. This article draws on results　the emerging field of value-based software engineering (see the sidebar). VBSE aims to provide a quantitative approach to such questions as how much software quality investment is