Who among the following theorists has written on affective economies?

The correct option is Sara Ahmed.

Sara Ahmed is a prominent scholar in the fields of feminist theory, queer theory, critical race theory, and affect theory. In her seminal 2004 journal article titled "Affective Economies" (published in Social Text) and her book The Cultural Politics of Emotion, she introduces and develops the concept of "affective economies."

According to Ahmed, emotions and affects do not simply reside within an individual or exist inherently in an object. Instead, she argues that emotions operate as "economies" because they circulate between bodies, signs, and objects. Through this movement and circulation, emotions align individuals with communities or distance them from others. For instance, feelings like fear, hate, or love accumulate value and create social boundaries (defining "us" versus "them") the more they circulate and repeat in discourse. Therefore, affect is social, relational, and material, functioning as a currency that shapes collective identities and power relations.