Research Article
[Retracted] Safety Investment Decision Problem without Probability Distribution: A Robust Optimization Approach
| Symbol | Name | Meaning |
| I | Safety investment | Resources utilized in safety, including human resources, capital, and material | D | Demand of safety investment | Amount of investment required to prevent accidents | AL | Accident loss | Losses caused when demand for safety investment exceeds the amount of investment | MAL | Marginal accident loss | Accident loss resulting from the investment of a unit when safety investment demand exceeds the actual investment | OL | Opportunity loss | Opportunity cost due to safety investment exceeding demand | MOL | Marginal opportunity loss | Opportunity loss resulting from the investment of a unit when actual safety investment exceeding demand | | Function of safety cost | Function of safety cost relative to input parameters I and D |
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