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The Potato's Contribution to Population and Urbanization: Evidence from an Historical Experiment

Nunn, Nathan; Qian, Nancy - C.E.P.R. Discussion Papers - 2009

We exploit regional variation in suitability for cultivating potatoes, together with time variation arising from their introduction to the Old World from the Americas, to estimate the impact of potatoes on Old World population and urbanization. Our results show that the introduction of the...

Persistent link: https://www.econbiz.de/10005039579

Peer Effects, Teacher Incentives, and the Impact of Tracking: Evidence from a Randomized Evaluation in Kenya

Duflo, Esther; Dupas, Pascaline; Kremer, Michael - C.E.P.R. Discussion Papers - 2008

To the extent that students benefit from high-achieving peers, tracking will help strong students and hurt weak ones. However, all students may benefit if tracking allows teachers to present material at a more appropriate level. Lower-achieving pupils are particularly likely to benefit from...

Persistent link: https://www.econbiz.de/10005504529

An empirical analysis of cellular demand in South Africa

Gasmi, Farid; Ivaldi, Marc; Recuero Virto, Laura - C.E.P.R. Discussion Papers - 2009

We analyze demand for prepaid cellular voice and short message service (SMS) in South Africa by means of a demand-and-supply structural model based on a multinomial specification fitted to a cross-sectional data set on Vodacom customers collected in 2005. We find that consumers are very...

Persistent link: https://www.econbiz.de/10005114282

South-North Refugee Migration: Lessons for Development Cooperation

Rotte, Ralph; Vogler, Michael; Zimmermann, Klaus F - C.E.P.R. Discussion Papers - 1997

As exemplified in the 1995 Mediterranean Declaration of the European Union, migration has become a major concern for European development policies. By enhancing socio-economic conditions through development cooperation, a reduction of South-North migration flows is envisaged. This new approach...

Persistent link: https://www.econbiz.de/10005791466

The Experimental Approach to Development Economics

Banerjee, Abhijit; Duflo, Esther - C.E.P.R. Discussion Papers - 2008

Randomized experiments have become a popular tool in development economics research, and have been the subject of a number of criticisms. This paper reviews the recent literature, and discusses the strengths and limitations of this approach in theory and in practice. We argue that the main...

Persistent link: https://www.econbiz.de/10005791795

Pitfalls of Participatory Programs: Evidence from a Randomized Evaluation in Education in India

Banerjee, Abhijit; Banerji, Rukmini; Duflo, Esther; … - C.E.P.R. Discussion Papers - 2008

Participation of beneficiaries in the monitoring of public services is increasingly seen as a key to improving their efficiency. In India, the current government flagship program on universal primary education organizes both locally elected leaders and parents of children enrolled in public...

Persistent link: https://www.econbiz.de/10005661549

A Many-Country Model of Industrialization

Breinlich, Holger; Cuñat, Alejandro - C.E.P.R. Discussion Papers - 2011

to account for in existing models of industrialization. By construction, closed-economy models that stress the role of …

Persistent link: https://www.econbiz.de/10009207519

Economic Backwardness in Political Perspective

Acemoglu, Daron; Robinson, James A - C.E.P.R. Discussion Papers - 2002

We construct a simple model where political elites may block technological and institutional development, because of a ‘political replacement effect.’ Innovations often erode elites’ incumbency advantage, increasing the likelihood that they will be replaced. Fearing replacement, political...

Persistent link: https://www.econbiz.de/10005124137

The Law of Primogeniture and the Transition from Landed Aristocracy to Industrial Democracy

Bertocchi, Graziella - C.E.P.R. Discussion Papers - 2003

phase, aristocratic political systems prevail, while democracies tend to emerge with industrialization. At the same time the …

Persistent link: https://www.econbiz.de/10005498052

Machines as Engines of Growth

Zeira, Joseph - C.E.P.R. Discussion Papers - 2005

This paper builds a model of growth through industrialization, as machines replace workers in a growing number of tasks … unboundedly. The mechanism that drives growth is the feedback between industrialization and wages. High wages are incentives to … use machines and industrialize, while industrialization raises wages. The model shows that industrialization and growth …

Persistent link: https://www.econbiz.de/10005656232