Internal Finance and Firm-Level Investment
The article presents a study using the Euler equation for capital accumulation by individual business firms. First, authors' use an estimation strategy based on the Euler equation representation of firms' investment decisions. This strategy reflects reservations with standard investment models based on the q theory with adjustment costs. In particular, there are well-known problems in measuring marginal q, as well as concerns that observed stock market valuations may not accord with the predictions of the efficient markets hypothesis.