One of the core goals of a universal health care system is to eliminate discrimination on the basis of socioeconomic status.  We test for discrimination using patient waiting times for non-emergency treatment in public hospitals.  Waiting time should reflect patients' clinical need with...

We study the role of the propensity scores in estimating treatment effects for the treated with a multi-valued treatment.  Assume assignment to one of the multiple treatments is random given observed characteristics.  Valid causal comparisons for the subpopulation who has been treated a...

This paper identifies the effect of neighborhood peer groups on childhood skill acquisitions using observational data.  We incorporate spatial peer interaction, defined as a child's nearest geographical neighbors, into a prodiction function of child cognitive development in Andhra Pradesh,...

India's development experience over the past fifty years suggests that the increasing importance of the services sector deserves analysis.  The literature on structural change has emphasised changing patterns of demand as an explanation for the increasing importance of the services sector.  In...

Regular use of effective health-products such as insecticide-treated mosquito nets (ITN) by a household benefits its neighbors by (a) reducing chances of infection and (b) raising awareness about product-effectiveness, thereby increasing product-use.  Due to their potential social benefits and...

For some observers, the dramatic growth of the services sector in India reflects rapid strides made by educated professionals.  Some others see it as the expansion of an employer of last resort.  Given this heterogeneity, the object of the paper is to analyze the nature of employment being...

I use a randomised conditional cash transfer program from Indonesia to provide evidence on peer effects in consumption of poor households.  I combine this with consumption visibility data from Indonesia to examine whether peer effects in consumption differ by a good's visibility.  In line with...

This paper develops a revealed preference methodology for exploring whether time inconsistencies in household choice are the product of nonstationarities at the individual level or the result of individual heterogeneity and renegotiation within the collective unit.  An empirical application to...

I discuss models which allow the local level model, which rationalised exponentially weighted moving averages, to have a time-varying signal/noise ratio.  I call this a martingale component model.  This makes the rate of discounting of data local.  I show how to handle such models...

We identify necessary and sufficient conditions under which a finite data set of price vectors and consumption bundles can be rationalized by a weakly separable utility function.  Our result could be understood as a generalization of Afriat's Theorem.