Official government statistics on the "mission-distribution" ofU.S. R&D investment are based on the assumption that … thosefor major weapons systems. To test the hypothesis of, and estimate thequantity of, private investment in 'signaling' R …

U.S. R&D investment are based on the assumption that only the government …quantity of, private investment in 'signaling' R&D, we estimate variants …

-goods producers drops during recessions. We then develop a model of lumpy investment with heterogeneous firms and endogenous … equilibrium feedback accounts for the observed comovement between investment and innovation, provides a powerful propagation …