[ \textROI_\textJ = \frac\mathbbE[f(E)] - f(\mathbbE[E])\mathbbE[E] . ]
All series are , log‑transformed where appropriate, and merged via a state‑level panel (N=51, including DC) . peta jensen%27
She has previously described herself as a "nerd" during her high school years. log‑transformed where appropriate
Copenhagen, Denmark
[ f(\mathbbE[X]) \le \mathbbE[f(X)] . ]