- Automatically handle collinear share matrix
- Fix a broken check on R-devel due to new implementation of round() in R4.0.0
- Add section on collinear sectors in vignette, and make clarifications in documentation
- The functions
reg_ss
andivreg_ss
implement the 'AKM' and 'AKM0' methods for constructing confidence intervals in shift-share least squares and instrumental variables regressions. These methods have been developed in Adão, Kolesár, and Morales (2019)