Neoclassical financial models provide the foundation for our understanding of finance. This chapter introduces the main ideas of neoclassical finance in a single-period context that avoids the technical difficulties of continuous-time models, but preserves the principal intuitions of the...

We propose that investment strategies should be evaluated based on their net-of-trading-cost return for each level of risk, which we term the "implementable efficient frontier." While numerous studies use machine learning return forecasts to generate portfolios, their agnosticism toward trading...

We provide firm-level evidence that Federal Open Market Committee announcements have real effects by changing expectations of firm profitability. We use an existing decomposition of a monetary policy shock into a central bank information component (CBI) and a conventional monetary component...