The model proposed here for obtaining the labor supply functions of moonlighters uses a double self-selection system to explore the husband's decision to moonlight together with his wife's decision to work. Subsequently, the labor functions are classified under two regimes depending on whether...

A large body of literature estimates private returns to R&D adopting the Griliches knowledge production framework, which ignores the potential impact of spillovers on consistent estimation. Using a panel of twelve manufacturing industries across ten OECD economies, we investigate whether...