2025 Zayira Ray
Julius Silver Professor, Faculty of Arts and Science,
Professor of Economics, New York University
Research Associate, NBER
Part-Time Professor, University of Warwick
Research Fellow, CESifo
Spool Member, ThReD

Department of Economics, 
New York University,
19 West 4th Street
New York, NY 10012, U.S.A.
debraj.ray@nyu.edu, +1 (212)-998-8906.

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Oxford University Press, 2008. This book is now open-access; feel free to download a copy, and to buy the print version if you like the book.
≋ Three Randomly Selected Papers
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Gender Differentials in Eye Care: Access and Treatment

(with Rajshri Jayaraman and Shing-Yi Wang), Economic and Political Weekly 49 No. 25, June 21, 2014. 

Summary. Two potential sources of gender bias in health care are (a) females access treatment later than males and (b) they receive differential care at the medical facility. We explore both of these for eye care at a large Indian medical facility.  At presentation, women have worse diagnoses than men for indicators of symptomatic illness, such as myopia and cataract. There is no difference in treatment.

On the Phelps–Koopmans Theorem

(with Tapan Mitra), Journal of Economic Theory 147, 833–849, 2012.

Summary. We examine whether the Phelps–Koopmans theorem is valid in models with nonconvex production technologies. Dedicated to the memory of David Cass: mentor, friend and an extraordinary economic theorist.

Inequality and Markets: Some Implications of Occupational Diversity

(with Dilip Mookherjee), American Economic Journal Microeconomics 2 38–76, 2010.

Summary. This paper studies income distribution in an economy with borrowing constraints. If the span of occupational investments is large, long-run wealth distributions display persistent inequality. With a “rich” set of occupations, so that training costs form an interval, the distribution is unique and the average return to education must rise with educational investment.