"Greater historical perspective is needed to enlighten current debate about future human responses to higher temperatures and increased precipitation variation. We analyze the impact of climatic conditions and variability on agricultural production in five semi-arid western states. We assemble...

The increased popularity of college Grade Forgiveness policies, which allow students to retake classes and substitute the new grades for the previous grades in their GPA calculations, is controversial yet understudied. Our paper is the first to ask whether such policies benefit students and how....