S. Alex Yang



Assistant Professor
Management Science and Operations
London Business School

Ph.D., MBA, Booth School of Business, University of Chicago
M.S., Industrial Engineering and Management Science, Northwestern University
B. Eng, Automation, Tsinghua University

Contact information
London Business School
Regent's Park, London NW1 4SA, UK
E-mail: sayang@london.edu
Phone: +44 (0) 207 000 8806
SSRN Author Page, LinkedIn

Current Research

Trade Credit in Competition: A Horizontal Benefit, with Heikki Peura and Guoming Lai, R&R, M&SOM. (Download, updated on March 31, 2016)

      Earlier version titled: Risk or Margin: The Role of Trade Credit in Competition


Cancelability in Trade Credit Insurance, with Christopher J. Chen and Nitin Bakshi,  Under Review. (Download, updated on February 29, 2016).  


Trade Credit and Inventory Financing Portfolio, with John R. Birge, Under Review. (Download, updated on March 12, 2016).

      Earlier version titled: How Inventory is (Should be) Financed: Trade Credit in Supply Chains with Demand Uncertainty and Costs of Financial Distress (Download)


Sourcing from Suppliers with Financial Constraints and Performance Risk, with Christopher S. Tang and Jing Wu, R&R, M&SOM. (Download, updated on October 26, 2015)


Operational Strategies in the Presence of Consumer-Driven Bankruptcy Risk, with John Birge, Rodney Parker, and Michelle X. Wu, R&R, M&SOM. (Download, updated on August 29, 2015)


Financial Pooling in a Supply Chain, with Ming Hu and Qu Qian,  in Preparation.  


Trade Credit and Product Market Competition, with Jiri Chod and Evgeny Lyandres, in Preparation.


The Financial Holding Cost of Inventory, with Lei Xie and Xiaoying Liang, in Preparation.   


Pre-Selling Capacity under the Threat of Bankruptcy, with Erica L. Plambeck and Robert Swinney,  in Preparation.


Trade Credit in Supply Chains: Multiple Creditors and Priority Rules, with John R. Birge. (Download)



S. A. Yang,  J. R. Birge, and R. P. Parker, (2015) The Supply Chain Effects of Bankruptcy, Management Science,  61 (10), 2320–2338. (Download)


J. R. Birge and S. A. Yang (2007) A Model of Taxable Portfolio with Many Assets,  Journal of Banking and Finance, 31 (2007), 3269–3290.



Classes Taught: Data, Models and Decisions (Full-time MBA, 2010 - present),  Managerial Statistics (Executive MBA, 2010 - present), Operational Risk (Executive Education, 2014), Big Data Strategy (Executive Education, 2014)


Other Teaching Interests: Big Data, Business Analytics, Operations Strategy, Supply Chain Management, Risk Management, Supply Chain Finance




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