Low cost, high performance and environmentally friendly lubricants are needed for modern industrial development. Here, the high-yield carbon dots (CDs) were rapidly prepared by the aldol condensation reaction. The size of the CDs was less than 10 nm, with discrete and quasi-spherical morphology....

We derive an equilibrium price that converges to be strong-form informationally efficient in the original Grossman-Stiglitz model (1980). Specifically, we show that when the private signal converges to be perfect or traders converge to be risk neutral, there exists a unique overall equilibrium...