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Ruffle Bradley, Professor | Academic Director, McMaster Decision Science Laboratory (McDSL)

photo of Bradley Ruffle

Bradley Ruffle

Professor | Academic Director, McMaster Decision Science Laboratory (McDSL)

Faculty
McMaster Decision Science Laboratory (McDSL)

Faculty
Master of Public Policy Program

Faculty
Department of Economics

Area(s) of Interest:

Education

Ph.D. Economics, Princeton University, 1996

M.A. Economics, Princeton University, 1993

B.A. Economics and Mathematics, York University, Glendon College, 1991

Teaching

ECON 3BE3 - Behavioural Economics - Fall 2022

ECON 703 - Experimental Economics - Winter 2023

Research

Publications in Refereed Journals

  1. Kaplan, Todd and Bradley Ruffle (1998) “Self-Serving Bias [Comment],” Journal of Economic Perspectives, 12:2, 243–244.
  1. Ruffle, Bradley J. (1998) “More is Better, But Fair is Fair: Tipping in Dictator and Ultimatum Games,” Games and Economic Behavior, 23, 247–265.
  1. Ruffle, Bradley J. (1999) “Gift Giving with Emotions,” Journal of Economic Behavior and Organization, 39:4, 399–420.
  1. Ruffle, Bradley J. and Orit Tykocinski (2000) “The Deadweight Loss of Christmas: Comment,” American Economic Review, 90:1, 319–324.
  1. Ruffle, Bradley J. (2000) “Some Factors Affecting Demand Withholding in Posted-Offer Markets,” Economic Theory, 16:3, 529–544.

    [reprinted in T. Cason and C. Noussair (eds.), Advances in experimental markets, Studies in Economic Theory, vol. 15, Heidelberg and New York: Springer, pp. 33-48, 2001.]

  1. Tykocinski, Orit E. and Bradley J. Ruffle (2003) “Reasonable Reasons for Waiting,” Journal of Behavioral Decision Making, 16, 1–11.
  1. Ruffle, Bradley J. (2003) “Competitive Equilibrium and Classroom Pit Markets,” Journal of Economic Education, 34:2, 123–137.
  1. Sosis, Richard and Bradley J. Ruffle (2003) “Religious Ritual and Cooperation: Testing for a Relationship on Israeli Religious and Secular Kibbutzim,” Current Anthropology, 44:5, 713–722.
  1. Kaplan, Todd R. and Bradley J. Ruffle (2004) “The Self-Serving Bias and Beliefs about Rationality,” Economic Inquiry, 42:2, 237–246.
  1. Sosis, Richard and Bradley J. Ruffle (2004) “Reply: Religious Ritual and Cooperation,” Current Anthropology, 45:4, 529–530.
  1. Ruffle, Bradley J. (2005) “Tax and Subsidy Incidence Equivalence Theories: Experimental Evidence from Competitive Markets,” Journal of Public Economics, 89:8, 1519–1542.
  1. Ruffle, Bradley J. and Richard Sosis (2006) “Cooperation and the In-Group-Out-Group Bias: A Field Test on Israeli Kibbutz Members and City Residents,” Journal of Economic Behavior and Organization, 60:2, 147–163.
  1. Ruffle, Bradley J. and Ze’ev Shtudiner (2006) “99: Are Retailers Best Responding to Rational Consumers? Experimental Evidence,” Managerial and Decision Economics, 27:6, 459–475.
  1. Ruffle, Bradley J. and Richard Sosis (2007) “Does it Pay to Pray? Costly Ritual and Cooperation,” The B.E. Journal of Economic Analysis & Policy, Vol. 7: Iss. 1 (Contributions), Article 18.
  1. Normann, Hans-Theo, Bradley J. Ruffle and Christopher M. Snyder (2007) “Do Buyer-Size Discounts Depend on the Curvature of the Surplus Function? Experimental Tests of Bargaining Models,” RAND Journal of Economics, 38:3, 747–767.
  1. Kaplan, Todd R. and Bradley J. Ruffle (2009) “In search of welfare-improving gifts,” European Economic Review, 53, 445–460.
  1. Kaplan, Todd R. and Bradley J. Ruffle (2012) “Which Way to Cooperate?” Economic Journal, 122: 563, 1042–1068.
  1. Blumkin, Tomer, Bradley J. Ruffle and Yosef Ganun (2012) “Are Income and Consumption Taxes Ever Really Equivalent? Evidence from a Real-Effort Experiment,” European Economic Review, 56, 1200–1219.
  1. Ruffle, Bradley J. (2013) “When do large buyers pay less? Experimental evidence,” Journal of Industrial Economics, 61:1, 108–137.
  1. Ruffle, Bradley J. and Yossef Tobol (2014) “Honest on Mondays: Honesty and the temporal separation between decisions and payoffs,” European Economic Review, 65, 126–135.
  1. Feldman, Naomi E. and Bradley J. Ruffle (2015) “The Impact of Including, Adding and Subtracting a Tax on Demand,” American Economic Journal: Economic Policy, 7:1, 95–118.
  1. Ruffle, Bradley J. and Ze'ev Shtudiner (2015) “Are Good-Looking People more Employable?” Management Science, 61:8, 1760–1776.
  1. Ruffle, Bradley J., Avi Weiss and Amir Etziony (2015) “The Role of Critical Mass in Establishing a Successful Network Market: An Experimental Investigation,” Journal of Behavioral and Experimental Economics, 58, 101–110.
  1. Ruffle, Bradley J. and Oscar Volij (2016) “First-Mover Advantage in Two-Sided Competitions: An Experimental Comparison of Role Assignment Rules,” International Journal of Game Theory, 45:4, 933–970.
  1. Ruffle, Bradley J. and Yossef Tobol (2017) “Clever Enough to Tell the Truth,” Experimental Economics, 20:1, 130–155.
  1. Kaplan, Todd R., Bradley J. Ruffle and Ze’ev Shtudiner (2018) “Cooperation through Coordination in Two Stages, ” Journal of Economic Behavior and Organization, 154, 206-219.
  1. Ruffle, Bradley J. and Anne Wilson (2018) “The Truth about Tattoos,” Economics Letters, 172, 143-147.
  1. Bayer, Ya’akov, Bradley J. Ruffle, Ze’ev Shtudiner and Ro’i Zultan (2018) “Costly Superstitious Beliefs: Experimental Evidence,” Journal of Economic Psychology, 69, 30-43.                        
  1. Ruffle, Bradley J. and Anne Wilson (2019) “Tat will tell: Tattoos and time preferences,” Journal of Economic Behavior and Organization, 166, 566-585.
  1. Ruffle, Bradley J. and Richard Sosis (2020) “Do religious contexts elicit more trust and altruism? Evidence from decision-making scenario experiments,” Journal of Economics, Management and Religion, 1:1.       

  2. Ruffle, Bradley J., Arie Sherman and Ze’ev Shtudiner (2022) “Gender and Beauty Price Discrimination in Produce Markets,” Journal of Behavioral and Experimental Economics, 97.             

  3. Papanastasiou, Anastasios, Bradley J. Ruffle and Angela L. Zheng (2022) “Compliance with Social Distancing: Theory and Empirical Evidence from Ontario during COVID-19,” Canadian Journal of Economics, 55, 705-734.

 

Invited Book Chapters

Sosis, Richard and Bradley J. Ruffle (2004) “Ideology, Religion, and the Evolution of Cooperation: Field Experiments on Israeli Kibbutzim,” pp. 89–117, in Research in Economic Anthropology, volume 23, Michael Alvard (ed.), Emerald Insight.

Ruffle, Bradley J. (2009) “Buyer Countervailing Power: A Survey of the Theory and Experimental Evidence,” in Experiments and Antitrust Policy, J. Hinloopen and H.-T. Normann (eds.), Cambridge, U.K.: Cambridge University Press, pp. 160-182. [Article] 

 

 

Other Publications

Normann, Hans-Theo and Bradley J. Ruffle (2011) “Introduction to the special issue on experiments in industrial organization,” International Journal of Industrial Organization, 29:1, 1-3.

Ruffle, Bradley (March 22, 2012) Blog: “Photos of Attractive Female Job Seekers Stir Up HR Jealousy,” Harvard Business Review. [Blog]

Ruffle, Bradley (October 20, 2021) “Think Before You Get Inked,” Psychology Today.

  

Working Papers 

Maaz, Muhammad, Anastasio Papanastasiou, Bradley J. Ruffle and Angela Zheng (January 2021) “Heterogeneity in the Support for Mandatory Masks Unveiled”.

Morrison, William and Bradley J. Ruffle (January 2021) “Insurable losses, Pre-filled Forms and Honesty in Reporting”.

Bayer, Ya’akov, Bradley J. Ruffle, Ro’i Zultan and Tzvi Dwolatzky (May 2018) “Time preferences of older people with mild cognitive impairment”.