Results

CEP discussion paper

Paper tiger? Chinese science and home bias in citations

We investigate the phenomenon of home bias in scientific citations, where researchers disproportionately cite work from their own country. We develop a benchmark for expected citations based on the relative size of count...Read more...

Journal article

European Journal of Finance:

Is firm-level clean or dirty innovation valued more?

We examine how Tobin's Q is linked to 'clean' and 'dirty' innovation and innovation efficiency at the firm level. Clean innovation relates to patented technologies in areas such as renewable energy generation and electri...Read more...

Journal article

Scientometrics:

Patent citation indicators: one size fits all?

The number of citations that a patent receives is considered an important indicator of the quality and impact of the patent. However, a variety of methods and data sources can be used to calculate this measure. This pape...Read more...

CEP discussion paper

Is Distance Dying at Last? Falling Home Bias in Fixed Effects Models of Patent Citations

We examine the ?home bias? of international knowledge spillovers as measured by the speed of patent citations (i.e. knowledge spreads slowly over international boundaries). We present the first compelling econometric evi...Read more...

CEP discussion paper

Basic Research and Sequential Innovation

The commercial value of basic knowledge depends on the arrival of follow-up developments mostly from outside the boundaries of the inventing firm. Private returns would depend on the extent the inventing firm internalize...Read more...