Department of Economics

YEAR

2019

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Statistics , Data Analytics

Comparison of discriminant analysis methods on the sphere

We compared maximum likelihood and the k-NN algorithm in the context of discriminant analysis with spherical data.

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Agricultural Economics , Applied Research

Sub-Lethal Concentrations of Neonicotinoid Insecticides at the Field Level Affect Negatively Honey Yield

We used data from a 6-year survey of 60 apiaries in Greece and economic modelling to assess at the field level the effects of neonicotinoid insecticides on honey production. Based on production function estimates, we found that sub-lethal concentrations of two widely used neonicotinoid insecticides (imidacloprid and thiamethoxam) detected in the nectar of flowers resulted in substantial losses in honey production for commercial beekeepers in our sample.

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