Value added taxes (VAT) are an important, and in many cases increasing, source of revenue in both developed and developing countries. Unsurprisingly there is an intense academic and policy debate about the appropriate VAT rate structure, for both equity and efficiency reasons. In this paper we...

Basic methods to compute the required sample size are well understood and supported by widely available software. However, the sophistication of the sample size methods commonly used has not kept pace with the complexity of the experimental designs most often employed in practice. In this paper,...

The paper investigates the short run responsiveness of National Health Service (NHS) nurses' labour supply to changes in wages of NHS nurses relative to wages in outside options available to nurses, utilising the panel data aspect of the Annual Survey of Hours and Earnings. We find the short run...

In empirical demand, industrial organization, and labor economics, prices are often unobserved or unobservable since they may only be recorded when an agent transacts. In the absence of any additional information, this partial observability of prices is known to lead to a number of identi?cation...

We examine the channels through which a randomized early childhood intervention in Colombia led to significant gains in cognitive and socio-emotional skills among a sample of disadvantaged children. We estimate production functions for cognitive and socio-emotional skills as a function of...

School funding per pupil increased substantially between 1999-00 and 2012-13 in England. It also became more varied across schools with higher levels of funds targeted at more deprived schools. Real-terms increases in funding per pupil were much larger for the most deprived group of primary and...

The objective of this paper is to understand and test empirically the relationship between group size and informal risk sharing. Models of informal risk sharing with limited commitment and grim-trigger punishments upon deviation imply that larger groups provide better informal insurance....

Our study contributes to the understanding of key drivers of stunted growth, a factor widely recognized as major impediment to human capital development. Specifically, we examine the effects of sanitation coverage and usage on child height for age in a semi-urban setting in Northern India. We...

This paper provides a novel portrait of firms engaging in the international use of inventors. I focus on drug discovery activity of pharmaceutical and biotechnological firms head-quartered in Europe, over the period 1996-2005. An important part of the most high-valued added R&D activities are...

Revealed preference restrictions are increasingly used to bound demand responses and as shape restrictions in nonparametric estimation exercises. However, the restrictions imposed are not sufficient for rationality when predictions are made at more than a single price regime. We highlight the...