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Worm Wars: The Anthology

David Evans's picture


Over the last several weeks, tens of thousands of words have been published about a study on the benefits of deworming for Kenyan schoolchildren, about the benefits of deworming more generally, about replication in science and social science, and about the evidence base for development programs. More will surely be written. As you’ll see below, several blog posts seek to make sense of the hubbub.

Pollution, worker efficiency and the role of management: Evidence from India

Markus Goldstein's picture
In a nice, recent paper Achyuta Adhvaryu, Namrata Kala, and Anant Nyshadham take a look at how air pollution hurts productivity and what effect, if any, managers can have in mitigating these effects.   The short answer is yes, pollution hurts worker productivity, and yes, managers with certain qualities do a better job of mitigating these effects as they manage their workers.   That’s the short story, but how they get there is quite fascinating.  

Mystery clients in development research

David Evans's picture
When I turned 16, I got my first formal sector job at a movie theater. The theater was part of a large chain, and occasionally the head office would send mystery shoppers -- employees posing as moviegoers -- to test the quality of our customer service. A colleague of mine was put on probation for getting impatient with an elderly mystery shopper at the ticket window.

What you don't know can hurt you: Malaria edition

Markus Goldstein's picture
You are feeling not so well.   You go to the doctor.   She is a good doctor.   She runs some tests, tells you nothing is wrong with you and you leave, ready to get back to work.   Why are you so much more ready to work now then you were before you saw your doctor?  
 

Early Childhood Development Programs – Beyond nutrition and cognitive outcomes. Guest Post by Diana Lopez-Avila.

This is the sixth post in our series of blogs by graduate students on the job market this year.

Interventions during early childhood have begun to gain importance in the social policy agenda in developing countries. These interventions have been mostly designed to address health, nutritional and cognitive deficiencies; and have shown to positively impact children’s development and nutritional outcomes, as well as socio-emotional abilities (Schady, 2006). Less evidence exists on the impact on discipline practices and spousal violence, factors that also affect children’s development. Experiencing or witnessing violence as a child appears to have important effects latter in life (UNICEF, 2014). Children who experience violence are more likely to drop out of school, to engage in adult criminal behavior and to become maltreating parents, among others. Studies have pointed out that physical violence against children is common throughout the world, and violence at home is the most common form of violence against children (Pinhero, 2006). For the particular case of Colombia, the three most common ways parents use to discipline children are verbal reprimand (76%), hitting with objects (44%) and slaps (28%) according to the Demographic Health Survey (DHS, 2005). Despite these figures, parenting practices remains a topic that has not received a lot of attention from researchers in developing countries.

Quantifying the Hawthorne Effect

Jed Friedman's picture
This post is co-authored with Brinda Gokul
 
Many who work on impact evaluation are familiar with the concept of the Hawthorne effect and its potential risk to the accurate inference of causal impact. But if this is a new concept, let’s quickly review the definition and history of the Hawthorne effect:
 

From the Annals of Puzzles: Why Indian Children Are More Stunted than African Children

Berk Ozler's picture
I recently finished teaching smart and hard working honours students. In Growth and Development, we covered equity and talked about inequalities of opportunity (and outcomes) across countries, across regions within countries, between different ethnic groups, genders, etc. In Population and Labour Economics, we covered intra-household bargaining models and how spending on children may vary depending on the relative bargaining power of the parents.

Caution when applying impact evaluation lessons across contexts: the case of financial incentives for health workers

Jed Friedman's picture

These past few weeks I’ve been immersed in reviews of health systems research proposals and it’s fascinating to see the common themes that emerge from each round of proposals as well as the literature cited to justify these themes as worthy of funding.

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