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The declining profitability of litchi orchards in northern Thailand: Can innovations reverse the trend?
Schreinemachers, Pepijn; Potchanasin, Chakrit; Berger, … - 2009
Litchi is an important crop in the mountainous part of northern Thailand yet its profitability has declined during the last 15 years. The replacement of litchi fruit orchards for seasonal flowers and vegetables has external costs related to increased levels of soil erosion, pesticides, and...
Persistent link: https://www.econbiz.de/10009444801
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A review of Multi-Agent Simulation Models in Agriculture
Kaye-Blake, William; Li, F.Y.; Martin, A.M.; McDermott, Alan - 2009
Multi-Agent Simulation (MAS) models are intended to capture emergent properties of complex systems that are not … farmers, and the impacts on decision-making. The final section outlines the MAS that the authors will be constructing over the …
Persistent link: https://www.econbiz.de/10009443666
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Adult Salmonid PIT-TAG Returns to Columbia River`s Lower Granite Dam.
Newman, Ken - 2008
The results of an analysis of the returns of PIT-tagged Snake River spring chinook and steelhead detected at Lower Granite Dam are summarized. Included is theoretical work on statistical power calculations for tests of return rates. The phrase return rate will be taken to mean return and...
Persistent link: https://www.econbiz.de/10009435654
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Evaluation of the 1994 Predictions of the Run-Timing of Wild Migrant Yearling Chinook in the Snake River Basin.
Townsend, Richard L.; Westhagen, P.; Yasuda, D.; … - 2008
arrived at the index site in real-time and to forecast elapsed time to some future percentile in a migration. This report …
Persistent link: https://www.econbiz.de/10009437170
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Regional marriage patterns and trends in Northern Sudan
Abdelrahman, Abdelrahman Ibrahim - 1989
Marriage is an important institution for both individuals and society as a whole. It is a significant event in the life cycle of individuals; for society at large it represents the creation of a new unit of production, consumption, distribution and exchange of goods and services. In most...
Persistent link: https://www.econbiz.de/10009438848
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Fostering IPv6 Migration Through Network Quality Differentials
Guérin, Roch A; Hosanagar, Kartik - 2010
Although IPv6 has been the next generation Internet protocol for nearly 15 years, new evidences indicate that transitioning from IPv4 to IPv6 is about to become a more pressing issue. This paper attempts to quantify if and how such a transition may unfold. The focus is on ``connectivity...
Persistent link: https://www.econbiz.de/10009438895
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Essays in Trade and Labor Demand.
Kovak, Brian K. - 2010
workers' migration patterns. I develop a model of local labor markets that describes how tariff changes across industries … Brazil's 1987-1995 trade liberalization affected wages and interstate migration within the country. I find that wages fell … in migration patterns. These results demonstrate the empirical value of the theoretical framework and represent the first …
Persistent link: https://www.econbiz.de/10009477437
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Adaptation, Internalization and Environmental Damage
Abrego, Lisandro; Whalley, John - 2002
internalization instruments. We use general equilibrium numerical simulation models based on OECD and UK data to analyze the …
Persistent link: https://www.econbiz.de/10009447218
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Brain drain and factor complementarity
Pieretti, Patrice; Zou, Benteng - 2006
In this paper we develop a neoclassical growth model that aggregates different types of labor skills from strict complementarity to perfect substitution. After having derived general balanced growth conditions and developed explicit growth paths for capital and aggregate labor force, the model...
Persistent link: https://www.econbiz.de/10009452524
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Migration and human capital in an endogenous fertility model
Marchiori, Luca; Pieretti, Patrice; Zou, Benteng - 2008
How do high and low skilled migration affect fertility and human capital in migrants' origin countries? This question … capital of either type of migration remains ambiguous. Subsequently, the model is calibrated on a developing economy. It is …
Persistent link: https://www.econbiz.de/10009452547