Now showing items 13-15 of 273

    • Quantitative Determination Of Technological Improvement From Patent Data 

      Benson, Christopher L.; Magee, Christopher L. (Massachusetts Institute of Technology. Engineering Systems Division, 2014-10)
      The results in this paper establish that information contained in patents in a technological domain is strongly correlated with the rate of technological progress in that domain. The importance of patents in a domain, the ...
    • Striving for Safety: Communicating and Deciding in Sociotechnical Systems 

      Flach, John M.; Carroll, John Stephen; Dainoff, Marvin J.; Hamilton, W. Ian (Massachusetts Institute of Technology. Engineering Systems Division, 2014-09)
      How do communications and decisions impact the safety of sociotechnical systems? This paper frames this question in the context of a dynamic system of nested sub-systems. Communications are related to the construct of ...
    • Analyzing the Financial Relationship between Railway Industry Players in Shared Railway Systems: The Train Operator’s Perspective 

      Levy, Sam; Pena-Alcaraz, Maite; Prodan, Aleksandr; Sussman, Joseph M. (Massachusetts Institute of Technology. Engineering Systems Division, 2014-08)
      Capacity pricing and allocation play an important role in efficient management of railway corridors, especially shared ones. This paper analyzes how Train Operators (TOs) would respond to different track-access charges, ...