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...

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...

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...

In recent years, US investment has been lackluster, despite rising valuations. Key explanations include growing rents and growing intangibles. We propose and estimate a framework to quantify their roles. The gap between valuations -- reflected in average Q -- and investment -- reflected in...

In recent years, measured TFP growth in the US has declined. We argue that two forces contributed to this decline: the mismeasurement of intangible capital, and rising markups. Markups affect input shares, while intangibles omitted from measures of investment affect measured capital growth, each...