It is well‑known that production functions are potentially misspecified when revenue is used as a proxy for output. In this paper, I formalise and strengthen this common knowledge by showing that neither the production function nor Hicks‑neutral productivity can be identified when revenue is...

Although the possibility of multiple nonlinear equilibria inlinear-quadratic differential games is extensively discussed, the literatureon models with multiple linear Markov perfect equilibria (LMPEs) isscarce. And indeed, almost all papers confined to a single state (a verylarge majority of the...