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The behavioral ecology and economics...

Tucker, Bram Tange.

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The behavioral ecology and economics of variation, risk, and diversification among Mikea forager-farmers of Madagascar.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	The behavioral ecology and economics of variation, risk, and diversification among Mikea forager-farmers of Madagascar./
作者:	Tucker, Bram Tange.
面頁冊數:	400 p.
附註:	Source: Dissertation Abstracts International, Volume: 62-03, Section: A, page: 1109.
Contained By:	Dissertation Abstracts International62-03A.
標題:	Anthropology, Cultural. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3007901
ISBN:	9780493175362

The behavioral ecology and economics of variation, risk, and diversification among Mikea forager-farmers of Madagascar.
Tucker, Bram Tange.

The behavioral ecology and economics of variation, risk, and diversification among Mikea forager-farmers of Madagascar. - 400 p.

Source: Dissertation Abstracts International, Volume: 62-03, Section: A, page: 1109.

Thesis (Ph.D.)--The University of North Carolina at Chapel Hill, 2001.

The residents of the dry Mikea Forest of southwestern Madagascar are often incorrectly stereotyped as primitive foragers, when in fact they constitute rural households making a living in a highly variable (risky) environment by combining foraging, fishing, farming, herding retailing and wage earning activities into a diversified household "portfolio." Drawing on data and observations acquired during 22 months of ethnographic fieldwork in five Mikea communities during 1996--1999 and theory from behavioral ecology and agricultural economics, I examine some of the decisions involved in managing a risk-sensitive household portfolio. My objective is to create general explanations of human subsistence behavior that can be applied to the anthropological issue of subsistence transitions, from foraging to agriculture (or vice versa) or from non-market to market exchange. First, I find that Mikea households often chose activities that covary differently with rainfall, such as combining rain-loving maize with drought-hardy manioc. Second, I find that in the absence of large game and predators, all age/sex groups practice the same foraging activities, and everyone older than a toddler can harvest wild tubers at similar rates of proficiency. The productivity of children reduces their cost to households. Third, unlike most other hunter-gatherer groups in the world, Mikea practice very little food sharing. This may be because plant resources are abundant and predictable while wild animal resources are small, difficult to capture, and easily stored, and thus, giving away meat would incur unacceptable marginal losses to the donor (from the perspective of sharing as "tolerated theft"). Fourth, by borrowing the "missing markets" model from agricultural economics, I find that transaction costs, the costs of processing and transporting goods for sale, account for much of the variation in market behavior among households. Finally, using future discounting models I suggest that Mikea tend to under-invest in agriculture because the immediate rewards of foraging for wild tubers are often greater than the perceived future value of risky, low-yielding maize and manioc harvests. I conclude that a general model of household subsistence should parameterize (in terms of utility and fitness) household size and composition; production variance, covariance, and delay; and transaction costs.

ISBN: 9780493175362Subjects--Topical Terms:

735016
Anthropology, Cultural.

The behavioral ecology and economics of variation, risk, and diversification among Mikea forager-farmers of Madagascar.
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