In practice, we see examples of firms offering product refresh services across different industries. Refresh promote sustainable reuse and are distinct from typical refurbished-product sales which imply a change in ownership. This study is the first to use an analytic model derive optimal prices quantities for firm product-refresh tandem with new products. Using two-period framework, establish ...

This article explores the experiences of unmarried mothers who kept and tried to raise their children between World War One and the end of the twentieth century. It argues that there has not been a simple progression from their experiencing social stigma and ostracism to more enlightened attitudes since the 1970s. Rather there is a great deal that has hitherto been unknown about what the eviden...

Sexual jealousy functions to defend paternity confidence and is therefore expected to be a ubiquitous aspect of male psychology. Several lines of evidence confirm this expectation. Cross-cultural and historical reviews of adultery law reveal remarkable conceptual consistency: unauthorized sexual contact with a married woman is a crime and the victim is the husband. We find male sexual jealousy ...

A long-standing theoretical debate concerns the involvement of principled reasoning versus relatively automatic intuitive-emotional processing in moral cognition. To address this, we investigated whether the mental models formed during story comprehension contain a moral dimension and whether this process is affected by cognitive load. A total of 72 participants read stories about fictional cha...