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Robert's research focuses on urban and regional economic development-why it is that some cities and regions prosper while others stagnate, and what that means for their residents. In a second line of research he studies how economic inequality affects US society.
Explores classic approaches to the regulation of employment that solidified in the period following the world wars. Explores how unions and collective bargaining, labor and employment laws, and social partnerships are, and will continue to be, important institutions in many countries. Reimagines old and new ideas for the governance of work and employment in global, digital, post-industrial, and rapidly changing economies and societies.
Argues that a key and underappreciated driver of the racial income gap has been the national trend of rising income inequality.
Examine the correspondence between Phoenix metro area restaurants identified by a social media source (yelp.com) and those from an administrative source (Maricopa Association of Governments [MAG]). Finds that they capture largely disjoint subsets of Phoenix restaurants, with only about one-third of restaurants in each data set present in the other.
Estimates rates of "absolute income mobility" - the fraction of children who earn more than their parents - by combining historical data from Census and CPS cross-sections with panel data for recent birth cohorts from de-identified tax records.