Publications

Published project papers

• Ortman, Scott G., Andrew H. F. Cabaniss, Jennie O. Sturm and Luis M. A. Bettencourt (2014). The Pre-History of Urban Scaling. PLOS ONE 9(2): e87902.
• Ortman, Scott G., Andrew H. F. Cabaniss, Jennie O. Sturm and Luis M. A. Bettencourt (2015). Settlement Scaling and Increasing Returns in an Ancient Society. Science Advances 1e00066.
• Ortman, Scott G., Kaitlyn E. Davis, Jose Lobo, Michael E. Smith, Luis M. A. Bettencourt, and Aaron Trumbo (2016). Settlement Scaling and Economic Change in the Central Andes. Journal of Archaeological Science 73(2016):94-106.
• Cesaretti, Rudolf, Jose Lobo, Luis M. A. Bettencourt, Scott G. Ortman and Michael Smith (2016). Population-Area Relationship in Medieval European Cities. PLOS ONE 11(10): e0162678.
• Hanson, John W., Scott G. Ortman, and Jose Lobo (2017). Urbanisation and the division of labour in the Roman Empire. Journal of the Royal Society Interface 14(136):1-12. 
• Ortman, Scott G. and Grant D. Coffey (2017). Settlement Scaling in Middle Range Societies. American Antiquity 82(4):662-682. 
• Hanson, John W. and Scott G. Ortman (2017). A systematic method for estimating the populations of Greek and Roman settlements. Journal of Roman Archaeology 30:301-324.
• Ossa, Alanna, Michael E. Smith, and José Lobo (2017). The Size of Plazas in Mesoamerican Cities: A Quantitative Analysis and Social Interpretation. Latin American Antiquity 28(4): 457-475.
• Bettencourt, Luís M. A. and José Lobo (2019). Quantitative Methods for the Comparative Analysis of Cities in History. Frontiers in Digital Humanities 6(17).
• Ortman, Scott G. and Grant D. Coffey (2019). The Network Effects of Northern Rio Grande Pueblo Rituals. In Re-Framing the Northern Rio Grande Pueblo Economy, edited by Scott G. Ortman, pp. 75-85.  Anthropological Papers of the University of Arizona 80, University of Arizona Press, Tucson.
• Ortman, Scott G. and Kaitlyn E. Davis (2019). Economic Growth in the Pueblos? In Re-Framing the Northern Rio Grande Pueblo Economy, edited by Scott G. Ortman, pp. 1-16. Anthropological Papers of the University of Arizona 80, University of Arizona Press, Tucson.
• Hanson, John W., Scott G. Ortman, Luis M. A. Bettencourt, and Liam C. Mazur (2019). Urban form, infrastructure, and spatial organization in the Roman Empire. Antiquity 93(368):702-718.
• Smith, Michael E. and José Lobo (2019). Cities through the Ages: One Thing or Many? Frontiers in Digital Humanities, 6 (Special issue: Where to Cities Come From and Where are They Going to? Modelling Past and Present Agglomerations to Understand Urban Ways of Life): Article 12.
• Smith, Michael E. (2019). Energized Crowding and the Generative Role of Settlement Aggregation and Urbanization. In Coming Together: Comparative Approaches to Population Aggregation and Early Urbanization, edited by Attila Gyucha, pp. 37-58. State University of New York Press, Albany.
• Ortman, Scott G. (2019). A New Kind of Relevance for Archaeology. Frontiers in Digital Humanities 6(16). 
• Lobo, José, Luís M. A. Bettencourt, Michael E. Smith and Scott G. Ortman (2020). Settlement Scaling Theory: Bridging the Study of Ancient and Contemporary Urban Systems. Urban Studies.
• Hanson, John W. (2020). Using city gates as a means of estimating ancient traffic flows. PLoS ONE 15(2): e0229580. 
• Rudolf Cesaretti, José Lobo, Luis M. A. Bettencourt & Michael E. Smith (2020): Increasing returns to scale in the towns of early Tudor England, Historical Methods: A Journal of
  Quantitative and Interdisciplinary History.
• Hanson, John W. and Scott G. Ortman (2020). Reassessing the capacities of entertainment structures in the Roman Empire. American Journal of Archaeology 124(3):417-440.
• Ortman, Scott G. and José Lobo (2020). Smithian Growth in a Non-Industrial Society. Science Advances 6: eaba5694.
• Ortman, Scott G., Michael E. Smith, José Lobo, Luís M. A. Bettencourt (2020) Why Archaeology is Necessary for a Theory of Urbanization. Journal of Urban Archaeology 1(1):151-167.
• Smith, Michael E., Scott G. Ortman, José Lobo, Claire Ebert, Amy E. Thompson, Keith M Prufer, Rodrigo Liendo Stuardo, and Robert M. Rosenswig (2020). The Low-Density Urban Systems of the Classic Period Maya and Izapa: Insights from Settlement Scaling Theory. Latin American Antiquity doi:10.1017/laq.2020.80.
• Ortman SG, Lobo J, Smith ME (2020) Cities: Complexity, theory and history. PLoS ONE 15(12): e0243621.
• Klassen, Sarah, et al. (2021), 'Provisioning an Early City: Spatial Equilibrium in the Agricultural Economy at Angkor, Cambodia', Journal of Archaeological Method and Theory.
• Ortman, Scott and Cooper, Zachary (2021), 'Artifact density and population density in settlement pattern research', Journal of Archaeological Science: Reports, 39, 103189.
• Altaweel, M., J. Hanson, and A. Squitieri (2021), 'The structure, centrality, and scale of urban street networks: Cases from Pre-Industrial Afro-Eurasia', PLOS ONE, 16 (11), e0259680.
• Lobo, José, Todd Whitelaw, Luís M. A. Bettencourt, Polly Wiessner, Michael E. Smith and Scott Ortman (2022), 'Scaling of Hunter-Gatherer Camp Size and Human Sociality,' Current Anthropology.

Preprints of papers in progress are available here. 

Related papers (including some key critical discussions)

• Stier, Andrew J., et al. (2022) Reply to Huth et al.: Cities are defined by their spatially aggregated socioeconomic networks. PNAS 119(2):e2119313118.
• Stier, Andrew J., et al. (2021) Evidence and theory for lower rates of depression in larger US urban areas. PNAS 118(31):e2022472118.
• Stier, Andrew J., Marc G. Berman and Luís M. A. Bettencourt (2021) Early pandemic COVID-19 case growth rates increase with city size. Urban Sustainability 1(1):31.
• Bettencourt, L.M.A., Zünd, D. (2020) Demography and the emergence of universal patterns in urban systems. Nat Commun 11, 4584.
• Bettencourt, Luis M. A. (2020) Urban growth and the emergent statistics of cities. Science Advances 6(34):eaat8812.
• Hamilton MJ, Walker RS, Buchanan B, Sandeford DS (2020) Scaling human sociopolitical complexity. PLoS ONE 15(7): e0234615.
• Strumsky, Deborah, Jose Lobo and Charlotta Mellander (2019) As different as night and day: Scaling analysis of Swedish urban areas and regional labor markets. Environment and Planning B: Urban Analytics and City Science 48(2):231-247.
• Sandeford David S. (2018) Organizational complexity and demographic scale in primary states. R. Soc. open sci.5171137.
• Bettencourt LMA, Yang VC, Lobo J, Kempes CP, Rybski D, Hamilton MJ. (2020). The interpretation of urban scaling analysis in time. J. R. Soc. Interface 17: 20190846.
• Bettencourt, LMA (2019). Towards a statistical mechanics of cities. Comptes Rendus Physique 20(4):308-318. 
• Brelsford, Christa, Taylor Martin, Joe Hand and Luis M. A. Bettencourt (2018). Toward cities without slums: Topology and the spatial evolution of neighborhoods. Science Advances 4(8):eaar4644.
• Altaweel, Mark and Alessio Palmisano (2018). Urban and Transport Scaling: Northern Mesopotamia in the Late Chalcolithic and Bronze Age. J. Archaeological Method and Theory 15 Oct 2018. 
• Hamilton, Marcus J., Briggs Buchanan and Robert S. Walker (2018). Scaling the size, structure, and dynamics of residentially mobile hunter-gatherer camps. American Antiquity 83(4):701-720.
• Despersin, Jules and Marc Barthelemy (2018) From global scaling to the dynamics of individual cities. PNAS 115(10):2317-2322.
• Cottineau, Clementine, Erez Hatna, Elsa Arcaute, and Michael Batty (2017). Diverse cities or the systematic paradox of Urban Scaling Laws. Computers, Environment and Urban Systems 63:80-94.
• Bettencourt, Luis M. A. and Jose Lobo (2016) Urban Scaling in Europe. Journal of the Royal Society Interface 13(116).
• Haas, W. Randall, Jr., Cynthia J. Klink, Greg J. Maggard, Mark S. Aldenderfer (2015). Settlement Size Scaling among Prehistoric Hunter-Gatherer Settlement Systems in the New World. PLOS ONE 10(11):30140127.
• Arcaute, Elsa, Erez Hatna, Peter Ferguson, Hyejin Youn, Anders Johansson and Michael Batty (2015). Constructing cities, deconstructing scaling laws. J. R. Soc. Interface 12: 20140745.
• Bettencourt, Luis M. A. (2014) Impact of Changing Technology on the Evolution of Complex Informational Networks. Proceedings of the IEEE 102(12):1878-1891.
• Schläpfer, Markus, Luis M. A. Bettencourt, Sebastian Grauwin, Mathias Raschke, Rob Claxton, Zbigniew Smoreda, Geoffrey B. West and Carlo Ratti (2014) The Scaling of Human Interactions with City Size. Journal of the Royal Society Interface 11:20130789.
• Bettencourt, Luis M. A., Horacio Samaniego and HyeJin Youn (2014) Professional Diversity and the Productivity of Cities. Scientific Reports 4:5393.  DOI: 5310.1038/srep05393.
• Bettencourt, Luis M. A. (2013) The Origins of Scaling in Cities. Science 340:1438-1441.
• Fragkias, Michail, José Lobo, Deborah Strumsky, Karen Seto (2013) Does Size Matter? Scaling of CO2 Emissions and U.S. Urban Area.  PLoS ONE 8(6): e64727.
• Lobo José, Bettencourt, Luis M.A, Strumsky, Deborah, West, Geoffrey (2013) Urban Scaling and the Production Function for Cities. PLoS ONE 8(3): e58407.
• Bettencourt, Luis, José Lobo, Deborah Strumsky and Geoffrey West (2010) Urban Scaling and Its Deviations: Revealing the Structure of Wealth, Innovation and Crime across Cities. PLoS ONE 5(11): e13541.
• Bettencourt, Luis, José Lobo and Geoffrey West (2008) Why are large cities faster? Universal scaling and self-similarity in urban organization and dynamics. European Physical Journal B, 63: 285-293.
• Lobo, José and Deborah Strumsky (2008) Metropolitan patenting, inventor agglomeration and social networks: A tale of two effects. Journal of Urban Economics, 63: 871-884.
• Bettencourt, Luis, José Lobo, Dirk Helbing, Christian Kühnert and Geoffrey West (2007) Growth, innovation, scaling and the pace of life in cities. Proceedings of the National Academy of Sciences, 104, 7301-7306.
• Hamilton, Marcus J., Bruce T. Milne, Robert S. Walker, and James H. Brown (2007). Nonlinear scaling of space use in human hunter-gatherers. PNAS 104(11):4765-4769.
• Bettencourt, Luis, José Lobo and Deborah Strumsky (2007) Invention in the city: increasing returns to patenting as a scaling function of metropolitan size. Research Policy, 36: 107-120.