• Essays on money and credit 

    Xie, Qinhua (University of Missouri--Columbia, 2023)
    When at least some transactions are anonymous and there is missing a publicly available record keeping device, individuals who sell goods cannot force buyers to payback the debt. Thus, money and collateralized credit are ...
  • Selected effects of urban mobility 

    Wickman, Michelle (University of Missouri--Columbia, 2023)
    [EMBARGOED UNTIL 5/1/2024] This dissertation presents four essays characterizing urban mobility through cellphone location data. Chapter 1 surveys the recent literature using location data to understand urban interactions ...