Using papers published in 2003 and 2004, we measure the extent of math-free research in top economics journals. Of more than 1200 papers published in ten top journals, six percent met a weak criterion of math-free, three percent an intermediate criterion, and only 1.5 percent a strong criterion....

Mathematical economics is compared and contrasted with mathematical engineering. Engineers use mathematics where it is practical and cost-effective, sometimes cutting corners, and leaving theorems and derivations to professional mathematicians. In contrast, papers by mathematical economists are...

In this self diagnosis, I examine my career as an economist over 30 years in terms of dissociative identity disorder. The multiple identities of my career have been the math gamer, the anti-policy econometrician, and the narrative political economist. I hope that others can learn something from...