Elizabeth Baldwin

Working Papers

• Implementing Walrasian Equilibrium---the Language of Product-Mix Auctions
  • With Paul Klemperer and Edwin Lock
  • July 2024 draft.
  • "pma" software page
• On Consumer Theory with Indivisible Goods
  • With Ravi Jagadeesan, Paul Klemperer and Alex Teytelboym
  • October 2021 draft.
• Proof that the Strong Substitutes Product-Mix Auction Bidding Language can represent any Substitutes preferences
  • With Paul Klemperer
  • December 2021 draft.
• Choosing in the Dark: Incomplete Preferences, and Climate Policy
  • February 2018 draft.
• Tropical geometry to analyse demand
  • With Paul Klemperer.
  • July 2014 draft (prelimilary draft 2012).
  • Note: Some parts of this paper have been superceeded by "Understanding Preferences: "Demand Types", and the Existence of Equilibrium with Indivisibilities", see below.

Work in Progress

• Demand Types, Income Effects, and Equilibrium
  • With Omer Edhan, Ravi Jagadeesan, Paul Klemperer and Alex Teytelboym

Publications

• Solving Strong-Substitutes Product-Mix Auctions
  • With Paul Goldberg, Paul Klemperer and Edwin Lock
  • Mathematics of Operations Research, Volume 49, Issue 3, pages 1303-2047 (2024).
  • https://doi.org/10.1287/moor.2019.0248
  • Author accepted manuscript, 2023.
  • "pma" software page
  • Python implementation
• Strong Substitutes: Structural Properties, and a New Algorithm for Competitive Equilibrium Prices
  • With Martin Bichler, Maximilian Fichtl and Paul Klemperer
  • Mathematical Programming, Volume 203, pages 611–643, (2024).
  • DOI:10.1007/s10107-022-01792-w
  • Final published version.
• The Equilibrium Existence Duality
  • With Ravi Jagadeesan, Paul Klemperer and Alex Teytelboym
  • Journal of Political Economy, Volume 131, Number 6, Pages 1440-1476, 2023.
  • DOI:10.1086/722935
  • Author accepted manuscript, 2022.
  • Extended abstract in Proceedings of the 21st ACM Conference on Economics and Computation [EC'20].
• Understanding Preferences: "Demand Types", and the Existence of Equilibrium with Indivisibilities.
  • With Paul Klemperer.
  • Econometrica, Volume 87, Number 3 (May, 2019) Pages 867-932.
  • DOI:10.3982/ECTA13693
  • Final published version.
  • Supplementary Appendix.
  • Additional Supplementary Work.
• To Build or Not to Build? Capital Stocks and Climate Policy
  • With Yongyang Cai and Karlygash Kuralbayeva.
  • Journal of Environmental Economics and Management, 2020, Volume 100, 102235
  • DOI:10.1016/j.jeem.2019.05.001
  • Author accepted manuscript
• Spatial development of hydrogen economy in a low-carbon UK energy system
  • With Nazmiye Balta-Ozkan.
  • International Journal of Hydrogen Energy, Volume 38, Issue 3, Pages 1209–1224, 2013.
  • DOI:10.1016/j.ijhydene.2012.11.049
• Thinking Through the Climate Change Challenge
  • With R. Hahn, D. Anthoff, L. Cohen, D. Coyle, P. Dasgupta, S. Dietz, D. Frame, G. Heal, C. Hepburn, M. Hoel, C. Kolstad, A. Lange, R. Mendelsohn, K. Nyborg, I. Parry, P. Passell, K. Richards, R. Ritz, T. Schelling, M. Tavoni, A. Ulph, H. Vollebergh, A. Xepapadeas, S. Barrett and J. Hammitt.
  • In Climate Change and Common Sense: Essays in Honour of Tom Schelling, R. Hahn and A. Ulph, eds., Oxford University Press, 2012.
  • DOI:10.1093/acprof:oso/9780199692873.003.0001
  • Preprint version, 2011
• A GIT construction of moduli spaces of stable maps in positive characteristic
  • Journal of the London Mathematical Society, Volume 78, no. 1, 2008. 18 pages
  • DOI:10.1112/jlms/jdn014
  • Final published version.
• A geometric invariant theory construction of moduli spaces of stable maps
  • With David Swinarski.
  • International Mathematics Research Papers, 2008, no. 1. 104 pages.
  • DOI:10.1093/imrp/rpn004
  • Final published version.

If you're interested in my research in geometric invariant theory and the moduli spaces of stable maps, I recommend starting with Ian Morrison's survey article, "GIT Constructions of Moduli Spaces of Stable Curves and Maps", which contains a section on these methods and puts them into context.