Dr. Sonali Roy

Associate Professor & Assistant Dean (Student Affairs)

B.Sc. (Calcutta University); M.Sc.; Ph.D. (ISI, Kolkata)

Sonali is an Associate Professor & Assistant Dean (Student Affairs), Jindal School of Government and Public Policy. Sonali’s research has appeared in various internationally reputed journals including Games and Economic Behavior, Social Choice and Welfare, Japanese Economic Review, European Journal of Operational Research and Mathematical Social Sciences. Her present research spans over the area of social choice, optimal pension plan and other fiscal policies.

She has taught a number of graduate and undergraduate courses at different universities including Iowa State University (USA), South Asian University (India), Jawaharlal Nehru University (India), MDI Gurgaon (India) and most recently at the Australian National University (Australia).

  1. Hierarchy of players in swap robust voting games and minimal winning coalitions (with M Bishnu).

          Published in Social Choice and Welfare, Springer, Vol. 38, pp. 11-22, 2012.
 

  1. The ordinal equivalence of the Johnston index and the established notions of power.

          Published in Econophysics & Economics of Games, Social Choices and Quantitative Techniques

          (Eds. Basu, Chakrabarti, Chakravarty and Gangopadhyay), Springer-Verlag, 2010.
 

  1.  On the structure of minimal winning coalitions in simple voting games (with M. Axenovich).

           Published in Social Choice and Welfare, Springer, Vol. 34, pp. 429-440, 2010.
 

  1. A Note on the Carreras-Coleman Decisiveness Index (with R. Barua and S. R. Chakravarty).

          Published in International Game Theory Review, World Scientific, Vol. 11, 2, pp. 237-245, 2009.
 

  1. The exact lower bound for the Coleman index of the power of a collectivity for a special class of simple majority games.

          Published in Mathematical Social Sciences, Elsevier, Vol. 56, 2, pp. 296-300, 2008.
 

  1. A treatment of absolute indices of polarization (with S. R. Chakravarty and A. Majumdar).

          Published in Japanese Economic Review, Elsevier, Vol. 58, 2, 2007.
 

  1. On the Coleman indices of voting power (with R. Barua and S. R. Chakravarty).

          Published in European Journal of Operational Research, Elsevier, Vol. 171, 1, pp. 273-289, 2006.
 

  1. A new characterization of the Banzhaf index of power (with R. Barua and S. R. Chakravarty).

          Published in International Game Theory Review, World Scientific, Vol. 7, 4, pp. 545-553, 2005.
 

  1. Measuring Power in Weighted Majority Games (with R. Barua and S. R. Chakravarty).

          Published in Homo Oeconomicus, Accedo Verlagsgesellschaft, Munich, Germany, Vol. 22, 4, pp. 459-486, 2005.
   

  1. A characterization and some properties of the Banzhaf-Coleman-Dubey-Shapley sensitivity index (with R. Barua, S. R. Chakravarty and P. Sarkar).

          Published in Games and Economic Behavior, Elsevier, Vol. 49, 1, pp. 31-48, 2004.