NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Rosangela Bando

Inter-American Development Bank
1300 New York Avenue N.W.
Washington, DC 20577

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Institutional Affiliation: Inter-American Development Bank

NBER Working Papers and Publications

September 2019Effect of Inquiry and Problem Based Pedagogy on Learning: Evidence from 10 Field Experiments in Four Countries
with Emma Näslund-Hadley, Paul Gertler: w26280
This paper uses data from 10 at-scale field experiments in four countries to estimate the effect of inquiry- and problem-based pedagogy (IPP) on students’ mathematics and science test scores. IPP creates active problem-solving opportunities in settings that provide meaning to the child. Students learn by collaboratively solving real-life problems, developing explanations, and communicating ideas. Using individual-level data on 17,006 students, the analysis finds that after seven months IPP increased mathematics and science scores by 0.18 and 0.14 standard deviations, respectively, and by 0.39 and 0.23 standard deviations, respectively, after four years. We also identify important gender learning gaps with boys benefiting substantially more than girls. Our approach not only provides strong...
December 2016The Effects of Non-Contributory Pensions on Material and Subjective Well Being
with Sebastian Galiani, Paul Gertler: w22995
Public expenditures on non-contributory pensions are equivalent to at least 1 percent of GDP in several countries in Latin America and is expected to increase. We explore the effect of non-contributory pensions on the well-being of the beneficiary population by studying the Pension 65 program in Peru, which uses a poverty eligibility threshold. We find that the program reduced the average score of beneficiaries on the Geriatric Depression Scale by nine percent and reduced the proportion of older adults doing paid work by four percentage points. Moreover, households with a beneficiary increased their level of consumption by 40 percent. All these effects are consistent with the findings of Galiani, Gertler and Bando (2016) in their study on a non-contributory pension scheme in Mexico. Thus, ...
Books or Laptops? The Cost-Effectiveness of Shifting from Printed to Digital Delivery of Educational Content
with Francisco Gallego, Paul Gertler, Dario Romero: w22928
Information and communication technologies, such as laptops, can be used for educational purposes as they provide users with computational tools, information storage and communication opportunities, but these devices may also pose as distractors that may tamper with the learning process. This paper presents results from a randomized controlled trial in which laptops replaced traditional textbook provision in elementary schools in high poverty communities in Honduras in 2013 through the program Educatracho. We show that at the end of one school year, the substitution of laptops for textbooks did not make a significant difference in student learning. We additionally conducted a cost-effectiveness analysis, which demonstrated that given the low marginal costs of digital textbook provision, th...
January 2014Non-Contributory Pensions
with Sebastian Galiani, Paul Gertler: w19775
The creation of non-contributory pension schemes is becoming increasingly common as countries struggle to reduce poverty. Drawing on data from Mexico's Adultos Mayores Program (Older Adults Program) - a cash transfer scheme aimed at rural adults over 70 years of age - we evaluate the effects of this program on the well-being of the beneficiary population. Exploiting a quasi-experimental design whereby the program relies on exogenous geographical and age cutoffs to identify its target group, we find that the mental health of elderly adults in the program is significantly improved, as their score on the Geriatric Depression Scale decreases by 12%. We also find that the proportion of treated individuals doing paid work is reduced by 20%, with most of these people switching from their former a...

Published: Galiani, Sebastian & Gertler, Paul & Bando, Rosangela, 2016. "Non-contributory pensions," Labour Economics, Elsevier, vol. 38(C), pages 47-58. citation courtesy of

 
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