Now showing items 1-8 of 8

    • Analysis of Tourism-Related Foreign Expenditure with International Spend Data 

      Coscia, Michele; Hausmann, Ricardo; Neffke, Frank (Center for International Development at Harvard University, 2016-11)
      Tourism is one of the most important economic activities in the world: for many countries it represents the single largest product in their export basket. However, it is a product difficult to chart: "exporters" of tourism ...
    • Evidence That Calls-Based and Mobility Networks Are Isomorphic 

      Coscia, Michele; Hausmann, Ricardo (Center for International Development at Harvard University, 2015-12)
      Social relations involve both face-to-face interaction as well as telecommunications. We can observe the geography of phone calls and of the mobility of cell phones in space. These two phenomena can be described as networks ...
    • How and where do criminals operate? Using Google to track Mexican drug trafficking organizations 

      Coscia, Michele; Rios, Viridiana (Center for International Development at Harvard University, 2012-08)
      We develop a tool that uses Web content to obtain quantitative information about the mobility and modus operandi of criminal groups, data that would otherwise require the operation of large scale, expensive intelligence ...
    • Institutions vs. Social Interactions in Driving Economic Convergence 

      Coscia, Michele; Cheston, Timothy; Hausmann, Ricardo (Center for International Development at Harvard University, 2017-02)
      Are regions poor because they have bad institutions or are they poor because they are disconnected from the social channels through which technology diffuses? This paper tests institutional and technological theories of ...
    • Knowledge Diffusion in the Network of International Business Travel 

      Coscia, Michele; Neffke, Frank; Hausmann, Ricardo (Springer Science and Business Media LLC, 2020-08-10)
      We use aggregated and anonymized information based on international expenditures through corporate payment cards to map the network of global business travel. We combine this network with information on the industrial ...
    • Report on the Poblacion Flotante of Bogota 

      Coscia, Michele; Neffke, Frank; Lora, Eduardo (Center for International Development at Harvard University, 2015-12)
      In this document we describe the size of the Poblacion Flotante of Bogota (D.C.). The Poblacion Flotante is composed by people who live outside Bogota (D.C.), but who rely on the city for performing their job. We estimate ...
    • The Structure and Dynamics of International Development Assistance 

      Coscia, Michele; Hausmann, Ricardo; Hidalgo, César A. (Du Gruyter, 2013)
      We study the structure of international aid coordination by creating and analyzing a tripartite network of donor organizations, recipient countries and development issues using web-based information. We develop a measure ...
    • Using arborescences to estimate hierarchicalness in directed complex networks 

      Coscia, Michele (Public Library of Science (PLoS), 2018)
      Complex networks are a useful tool for the understanding of complex systems. One of the emerging properties of such systems is their tendency to form hierarchies: networks can be organized in levels, with nodes in each ...