This is a recording of a presentation made by SafeTREC GIS Project Manager John Bigham explaining new features to the Transportation Injury Mapping System website, tims.berkeley.edu

It is shown that the limiting distribution of the augmented Dickey-Fuller (ADF) test under the null hypothesis of a unit root is valid under a very general set of assumptions that goes far beyond the linear AR (∞) process assumption typically imposed. In essence, all that is required is...

Estimates from the Panel Study of Income Dynamics (PSID) indicate that African-American men are one-third as likely to be self-employed as white men.  The large discrepancy is due to a black transition rate into self-employment that is approximately one half the white rate and a black...

The agri-environmental governance of value chains can favour a Polanyian double movement seeking social protection and control over price setting markets or it can advance a neoliberal logic that strives to overcome the few remaining civic and ecologic obstacles to full market dominance. Coupled...