Which of the following is NOT a sustainability criterion used to screen investment decisions $($the textbook gives four$).$

Group of answer choices

Negative screening $-$ screening out companies with poor environmental performance.

Positive or norms$-$based screening $-$ selecting companies whose environmental performance is outstanding $($eg$,$ with regards to energy efficiency, waste management, employment standards$).$

Sustainable branding $-$ firms whose brand includes or is associated with a strong green reputation.

Best in class $-$ selecting the best performers on environmental and social issues.

Sustainability themed $-$ investments made in a green sector, such as renewable energy or sustainable agriculture.