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Farmers' decision making strategies on selecting rootcrop varieties in the Visayas Region, Philippines OAK
ROA, Julie; KADOHIRA, Mutsuyo; BERGANTIN, Reynaldo V.; BOLATETE Jr., Dioscoro M.; YAMAUCHI, Akira; ロア, ジュリー; 門平, 睦代; ベルガンティン, レイノルド; ボラテテ, ディオスコロ; 山内, 章.
In the Philippines, rootcrops play a significant role in providing livelihood and food security among the resource poor people living in fragile upland environment, which comprise about 65% of the total agricultural land in the country. This paper will present the factors which play into farmers’ decision-making strategies for varietal adoption, particularly of sweetpotato and cassava in Visayas Region, Philippines. Relative importance of factors as they are considered in the farmers’ decisionmaking process vary according to user-orientation (i.e. subsistent, semi-commercial and commercial) because such would have varietal trait specifications, scale of operations, and consequently, resource needs. In largely market or industry-oriented systems, the...
Palavras-chave: Farmer criteria; Participatory approach; Philippines-Visayas; Rootcrop; Variety adoption; イモ類作物; 参加型アプローチ; 農民の判断基準; 品種導入; フィリピン・ビサヤ州.
Ano: 2008 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2269
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Economic Hysteresis in Variety Selection AgEcon
Richards, Timothy J.; Green, Gareth P..
Investing in a new perennial crop variety involves an irreversible commitment of capital and generates an uncertain return stream. As a result, the decision to adopt a new variety includes a significant real option value. Waiting for returns to rise above this real option causes a delay in adoption because of economic hysteresis. This study tests for hysteresis in the adoption of wine grape varieties using a sample of district-level data from the state of California. The empirical results show a significant hysteretic effect in wine grape investment, which might be reduced by activities that smooth earnings over time.
Tipo: Journal Article Palavras-chave: California; Grapes; Hysteresis; Investment; Jump diffusion; Real options; Variety adoption; Wine; Q14; Q11; D92; C34.
Ano: 2003 URL: http://purl.umn.edu/37310
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