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Expert valuation of promised SMR economic and safety advantages. (A) Opinions regarding the value of SMR-specific economic and safety advantages were elicited from each expert. The darker a box is the larger the number of experts who checked it; the number of experts who checked each box is also shown. (B) Opinions regarding the safety and security challenges faced by SMRs relative to large reactors were elicited in a manner similar to A above.
