All articles

The impact of presidential appointment of judges: Montesquieu or the federalists?

Presidential appointment of judges may be costing Pakistan about 0.14% of GDP or about $400 million in land expropriations every year

Institutions & Political Economy

Sultan Mehmood

Published

29.01.21

Do subways improve urban air quality?

Data from around the world show that a new subway system can improve air quality in highly polluted cities

Energy & Environment

Nicolas Gendron-Carrier Marco Gonzalez-Navarro Stefano Polloni Matthew Turner

Published

25.01.21

The dangers of emerging-market competition: Evidence from Rwanda’s coffee supply chain

Increased competition in agriculture markets sustained by informal contracts can diminish performance and value for all players in the supply chain

Agriculture

Rocco Macchiavello Ameet Morjaria

Published

22.01.21

Search and information frictions on global e-commerce platforms: Evidence from AliExpress

Policies to reduce information frictions as well as the number of firms on e-commerce platforms can raise allocative efficiency and consumer welfare

Firms

Jie Bai Maggie Chen Jin Liu Daniel Yi Xu

Published

18.01.21

Adaptive experiments for policy research

Adaptive sampling has the potential to ensure that experiments better meet the learning goals of policymakers and are more beneficial to participants at the same time

Methods & Measurement

Maximilian Kasy Anja Sautmann

Published

15.01.21

Lasting effects of colonial-era resource exploitation in Congo: Concessions, violence, and indirect rule

Concessions granted to private companies to extract natural resources still have negative effects on present-day development in the DRC

Institutions & Political Economy

Sara Lowes Eduardo Montero

Published

11.01.21

Can minimum-age-of-marriage laws eradicate child marriage? Evidence from Mexico

Increasing the minimum age of marriage to 18 years old in Mexico reduced formal marriage but did not prevent school dropout or early motherhood

Institutions & Political Economy

Cristina Bellés-Obrero María Lombardi

Published

08.01.21

Is virtual coaching of teachers less effective than in-person coaching? Evidence from South Africa

Face-to-face interactions between teachers and their coaches might yield better results in teacher training than more high-tech, virtual approaches

Education

Jacobus Cilliers Brahm Fleisch Janeli Kotzé Nompumelelo Mohohlwane Stephen Taylor Tshegofatso D. Thulare

Published

04.01.21

Is improving tax administration more effective than raising tax rates? Evidence from Indonesia

Enhanced tax administration can increase government revenue collection from medium-sized firms in developing countries even more than raising tax rates

Public Economics

Muhamad Chatib Basri Mayara Felix Rema Hanna Benjamin Olken

Published

14.12.20