NPEs target cash-rich firms “Cash-rich” describes a firm with 1 SD more cash than the average firm in the sample. The difference for NPEs is highly statistically significant (P < 0.001). The difference for PEs is in the opposite direction and statistically insignificant. See SM for data and methods.
GRAPHIC: C. SMITH/SCIENCE
Supplementary Materials
Additional Files
- The growing problem of patent trolling
Lauren Cohen, Umit G. Gurun, Scott Duke Kominers
Materials/Methods, Supplementary Text, Tables, Figures, and/or References
- Materials and Methods
- Captions for Figs. S1 to S5
- Legends for Tables S1 to S5
- Supplementary Reference
Additional Data
