Results 161 to 170 of about 3,451,010 (295)

County-level population dataset of ancient China in 2, 742, 1102 & 1820 AD. [PDF]

Sci Data
Zheng Y, Wu T.
europepmc   +1 more source

How cold is too cold? A theoretical analysis of the optimal trigger for index insurance for frost damage to crops

American Journal of Agricultural Economics, EarlyView.
Abstract Crop insurance is undoubtedly an extremely valuable element in protecting agricultural businesses, but in many cases standard indemnity‐based products have had very low uptake due to high transaction costs elevating premiums to unaffordable levels.
Amogh Prakasha Kumar, Laura Meriluoto, Richard Watt   +2 more
wiley   +1 more source

Predicting Urban Heat-Related Illness Across U.S. Climate Regions and Demographics. [PDF]

Geohealth
Brown SE, Shandas V.
europepmc   +1 more source

An Investigation of Historical Geography

, 2013
L. Jalali
semanticscholar   +1 more source

Model selection in historical biogeography reveals that founder-event speciation is a crucial process in Island Clades.

Systematic Biology, 2014
N. Matzke
semanticscholar   +1 more source

Seeds of change: The impact of Ethiopia's direct seed marketing approach on smallholders' seed purchases and productivity

American Journal of Agricultural Economics, EarlyView.
Abstract While multiple factors explain low adoption rates of improved varieties by small‐scale farmers in sub‐Saharan Africa, a key supply‐side constraint is the limited availability of seed embodying new traits in the volume, quality, price, and timeliness required by farmers. This constraint is partly attributable to classical failures in the market
Dawit Mekonnen, Gashaw T. Abate, Seid Yimam, Rui Benfica, David J. Spielman, Frank Place   +5 more
wiley   +1 more source

Structured knowledge representation of the South China Sea: An LLM-based knowledge graph approach. [PDF]

PLoS One
Zhao R, Han Z, Liu H.
europepmc   +1 more source

Accounting for animal health in efficiency analysis: An application to Swedish dairy farms

American Journal of Agricultural Economics, EarlyView.
Abstract Poor animal health is a central concern in modern livestock production. Despite the necessity to incorporate animal health in efficiency analysis, the theoretical and empirical developments are limited on this subject. This article appropriately characterizes the axiomatic properties of animal health within a production framework.
Frederic Ang, Enoch Owusu‐Sekyere, Karin Alvåsen, Helena Hansson   +3 more
wiley   +1 more source

Redistributive land reforms, agricultural productivity, and structural change: New cross‐national evidence

American Journal of Agricultural Economics, EarlyView.
Abstract Large‐scale land reforms constitute a substantial redistribution of wealth and reallocation of agricultural land, which is a major form of asset and production input in developing countries. While land redistribution (from the rich to the poor) remains a highly controversial issue, extensive evidence on its effect is limited.
Devashish Mitra, Abdulaziz B. Shifa, Lan Anh Tong, Mehmet A. Ulubasoglu   +3 more
wiley   +1 more source

Framing health inequalities through the political economy: a case study of Ethiopia's public policy landscape. [PDF]

Int J Equity Health
Dobamo AG.
europepmc   +1 more source