Showing 1 - 10 of 73
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/10012463493
Risk often inhibits on-farm investment by smallholder farmers. Recent evidence indicates that index insurance and stress tolerant seeds can separately and partially offset this risk effect. In this study, we explore whether the complementarities between these two risk management technologies can...
Persistent link: https://www.econbiz.de/10012629454
This paper explores the idea that a competitive seed system may systematically underserve farmers in small, agro … an under-serviced equilibrium. To study the empirical veracity of this model, we study the disruption of the maize seed … capital allowed a local seed company to expand and target a niche agro-ecological zone with adaptively-bred maize varieties. A …
Persistent link: https://www.econbiz.de/10012481184
transition: the possibility of nationally asymmetric real shocks. I review that topic in the context of Ireland's recent …
Persistent link: https://www.econbiz.de/10012471509
Diesel emissions from school buses expose children to high levels of air pollution; retrofitting bus engines can substantially reduce this exposure. Using variation from 2,656 retrofits across Georgia, we estimate effects of emissions reductions on district-level health and academic achievement....
Persistent link: https://www.econbiz.de/10012479593
The repeated failure of Ireland's potato crop in the late 1840s led to a major famine and a surge in migration to the … descriptive analysis of mobility for the famine-era Irish sons indicates that more Catholic surnames and birth in Ireland were …
Persistent link: https://www.econbiz.de/10012480938
We analyse whether research funding contests promote co-authorship. Our analysis combines Scopus publication records with data on applications to the Marsden Fund, the premiere source of funding for basic research in New Zealand. On average, and after controlling for observable and unobservable...
Persistent link: https://www.econbiz.de/10012482136
Previous research has shown a strong connection between birth weight and future child outcomes. But this research has not asked how insults to child health after birth affect long-term outcomes, whether health at birth matters primarily because it predicts future health or through some other...
Persistent link: https://www.econbiz.de/10012464165
The information content of academic citations is subject to debate. This paper views premature death as a tragic "natural experiment," outlining a methodology identifying the "citation death tax" -- the impact of death of productive economists on the patterns of their citations. We rely on a...
Persistent link: https://www.econbiz.de/10012464756
Obesity has been one of the fastest growing health concerns among children, particularly among disadvantaged children. For children overall, obesity rates have tripled from 5% in the early 1970s to about 15% by the early 2000s. For disadvantaged children, obesity rates are closer to 20%. In this...
Persistent link: https://www.econbiz.de/10012465167