Publications
3 shownPatents and R&D: Is There A Lag?
extends earlier work on the RID to patents relationship (Pakes-
IV Estimation with Heteroskedasticity and Many Instruments
It is common practice in econometrics to correct for heteroskedas- ticity. This paper does this for instrumental variables estimation with many in- struments. We give a heterosk...
Frequent Co-Authors
Researcher Info
- h-index
- 3
- Publications
- 3
- Citations
- 1,376
- Institution
- National Bureau of Economic Research
External Links
Impact Metrics
h-index
3
h-index: Number of publications with at least h citations each.