Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 431051
Title Yield trend estimation in the presence of non-constant technological change and weather effects
Author(s) Conradt, S.; Bokusheva, R.; Finger, R.; Kussaiynov, T.
Event 123rd EAAE Seminar "Price Volatility and Farm Income Stabilisation", 2012-02-23/2012-02-24
Department(s) Agricultural Economics and Rural Policy Group
WASS
Publication type Contribution in proceedings
Publication year 2012
Abstract The application of yield time series in risk analysis prerequisites the estimation of technological trend which might be present in the data. In this paper, we show that in presence of highly volatile yield time series and non-constant technology, the consideration of the weather effect in the trend equation can seriously improve trend estimation results. We used ordinary least squares (OLS) and MM, a robust estimator. Our empirical analysis is based on weather data as well as farm-level and county-level yield data for a sample of grain-producing farms in Kazakhstan.
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