Which investment model best fits firm-level data? To answer this question we estimate alternative models using Compustat data. Surprisingly, the two best-performing specifications are based on Hayashi's (1982) model. This model's foremost implication, that Q is a sufficient statistic for...

We propose a model that starts from the premise that intangible capital needs to be stored on some medium --- software, patents, essential employees --- before it can be utilized in production. Storage implies that intangible capital may be partially non-rival within the firm, leading to scale...

As the cost of education rises and student debt reaches new highs, more research has focused on financing the acquisition of human capital. Most research has had a positive focus, examining the effect of debt on student choices and outcomes. However, because education financing involves many...

We review and assess the monetary policy framework currently used by the Federal Reserve, with special focus on policies that operate through the slope of the term structure, including forward guidance and large scale asset purchases. These slope policies are important at the zero lower bound....

We document that the rise of factors such as software, intellectual property, brand, and innovative business processes, collectively known as “intangible capital” can explain much of the weakness in physical capital investment since 2000. Moreover, intangibles have distinct economic features...