[Retracted] Safety Investment Decision Problem without Probability Distribution: A Robust Optimization Approach

Table 1

Summary of safety investment decision-making research.

Paper	Research method									Research objective
	Empirical analysis	Questionnaire	Regression analysis	Agent-based modeling	Risk mapping	System dynamics	Cost-benefit analysis	Robust optimization	Opportunity cost	Cost	Safety performance
[7]	√										√
[11]		√								√
[9]		√	√								√
[8]		√		√							√
[10]					√						√
[12]						√				√
[13]							√				√
[25]							√			√
[14]									√	√
This paper								√	√	√