The blue sky law changes and index are most useful when combined with historical economic and other data at the state-year level. We collected several such datasets and made them available on Github:
Data source | Description | Source/Notes |
Number of banks | Number of banks and number of branches | Source: FDIC |
Patents by state-year | Number of patents | Source: PatentsView |
Income | Personal income (millions of dollars, seasonally adjusted) | Source: BEA |
Population | Population by state | Source: ICPSR 34986 |
Agriculture output | From the United States Censuses of Agriculture | Source: ICPSR 35206 |
Muni debt and railroads | Cleaned Moody’s mannual (Bonded_debt, railway, assessed value, and rating) | Source: Mergent Archives |
State senators | Federal senators by state and year | Source |