the value of wetlands is receiving increasing attention and the cost–benefit analyses (cba) is essential to evaluate the long-term effects of wetland rehabilitation projects. in order to guarantee the water quality of the south-to-north water diversion project of china (east route), the government of shandong province started a huge lakeshore wetland rehabilitation project in 2008. the cba appr...

Developmental research in the past decade has painted picture of a gregarious child ready to engage range prosocial behavior, but less is known about situational factors that moderate this behavior. The present study investigated effects cost and familiarity on children's readiness help victim moral transgression. Opportunity was operationalized as time effort expended providing help, could oth...