This paper reviews econometric methods for dynamic panel data models, and presents
examples that illustrate the use of these procedures. The focus is on panels where a large …

This Paper highlights a problem in using the first-differenced GMM panel data estimator to
estimate cross-country growth regressions. When the time series are persistent, the first-…

Restriction-free cloning (RF-cloning) is a PCR-based technology that expands on the
QuikChange™ mutagenesis process originally popularized by Stratagene in the mid-1990s, and …

In the Old Economy, the value of a company was mostly in its hard assets-its buildings,
machines, and physical equipment. In the New Economy, the value of a company derives more …

We compare the finite sample performance of a range of tests of linear restrictions for linear
panel data models estimated using Generalised Method of Moments (GMM). These include …

Evidence that cash flow has a significant effect on company investment spending, after
controlling for Tobin's average Q, has often been interpreted as suggesting the importance of …

The pannexins (Panxs) are a family of chordate proteins homologous to the invertebrate gap
junction forming proteins named innexins. Three distinct Panx paralogs (Panx1, Panx2, and …

Pannexins are a class of chordate channel proteins identified by their homology to insect
gap junction proteins. The pannexin family consists of three members, Panx1, Panx2, and …

We investigate the empirical relationship between company investment and measures of
uncertainty, controlling for the effect of expected future profitability on current investment …

This paper considers the relationship between two general neutral business tax structures,
which we label the ‘firm tax’ and the ‘shareholder tax’. The well-known R-based and S-based …