Blar i Doctoral theses (HH) på utgivelsesdato
Viser treff 1-20 av 82
-
Peasant agriculture and sustainable land use in Ethiopia : economic analyses of constraints and incentives for soil conservation
(Doctor scientiarum theses;1997:25, Doctoral thesis, 1997)In agriculture-based poor economies, degradation of agricultural land poses a serious threat to current and future food production potential. Ethiopia is one of the poorest countries in Africa that is heavily dependent on ... -
Peasants and risk : a study of risk, market imperfections and farm household behaviour in Northern Zambia
(Doctor scientiarum theses;1998:26, Doctoral thesis, 1998) -
Willingness to pay for quality in experimental auction markets and stated choice surveys
(Dr.scient.;2003:1, Doctoral thesis, 2003)The principal objective of this thesis is to investigate the willingness to pay for quality. The thesis consists of four papers exploring Norwegian consumer preferences for imported and hormone-treated beef. The first paper ... -
Bønder i Antarktis : hvalfangst og landbruk 1925 - 1940
(Dr.scient;2003:33, Doctoral thesis, 2003)The 100 years between 1868 and 1968 was the most exploitative but also the last period of whale hunting on a global scale. For almost seventy years, Norwegian dominance in this business resulted not only in large incomes ... -
Land tenure in the highlands of Eritrea : economic theory and empirical evidence
(Dr.scient.;2003:27, Doctoral thesis, 2003) -
Poverty, institutions, peasant behavior and conservation investment in northern Ethiopia
(Dr.scient.;2003:2, Doctoral thesis, 2003) -
Technology adoption, land rental contracts and agricultural productivity
(Dr.scient.;2005:20, Doctoral thesis, 2005)This dissertation explores the potential for adoption of agricultural technologies and how alternative land rental contracts and kinship influence agricultural productivity and input use. It contains an introduction and ... -
Short term effects of long-term policies: climate policies in power markets
(Dr.scient.;2007:11, Doctoral thesis, 2007) -
Essays on economic valuation of cultural and natural resources in Vietnam
(Dr.scient.;2007:9, Doctoral thesis, 2007)The thesis consists of five self-contained papers. The first four papers are concerned with the economic valuation of cultural heritage sites, while the last one estimates direct use values of coastal wetlands in Vietnam. In ... -
Policy reforms, soil fertility management, cash cropping and agricultural productivity in Ethiopia
(PhD Thesis;2007:39, Doctoral thesis, 2007)This thesis consists of an introduction and four independent papers. The papers aim at investigating agricultural productivity and factors that affect the performance of agriculture and food security directly or indirectly. ... -
Poverty, resource use and intensification strategies of smallholders under population pressure in southern Ethiopia
(PhD Thesis;2007:37, Doctoral thesis, 2007)The dissertation investigates resource use and intensification strategies of smallholders facing poverty and population pressure. It comprises an introduction and four independent papers. Based on data collected from a ... -
Risk and irrigation investment in a semi-arid economy
(PhD Thesis;2008:49, Doctoral thesis, 2008)The thesis consists of an introduction and four independent papers. It investigates the role of production risk and irrigation investment on farm households’ production decisions, efficiency, and income. Paper I analyses ... -
Methodological issues in meta-analysis, benefit transfer and environmental valuation
(PhD Thesis;2008:18, Doctoral thesis, 2008)This thesis consists of four papers on methodological issues in meta-analysis (MA), benefit transfer (BT) and environmental valuation. The first paper presents a MA of stated preference studies valuing non-timber benefits ... -
Essays on the multifunctionality of agruculture and policy options
(Dr.scient.;2008:5, Doctoral thesis, 2008)Jordbruket produserer mer enn bare varer som kan omsettes i markeder. I tillegg produseres en lang rekke goder, onder og tjenester som ikke kan omsettes i markeder. Jordbruket kan på grunn av dette gi bidra til ulike ... -
Land rental markets, investment and productivity under customary land tenure systems in Malawi
(PhD Thesis;2009:3, Doctoral thesis, 2009)As customary land tenure remains the predominant model of landholding in rural Africa and land the cornerstone of rural livelihood security, improving land tenure security is often equated with integration of customary ... -
The flower markets : five essays on flower prices 1993-2008
(PhD Thesis;2010:40, Doctoral thesis, 2010)The thesis consists of an introduction and five independent, but related essays. The unifying theme is the challenge of production and marketing of cut flowers under price uncertainty. Essay I gives an overview of international ... -
The environmental requirements of piglets and use of the creep area
(PhD Thesis;2010:47, Doctoral thesis, 2010)Around 15% of all liveborn piglets die during the lactation period, and this poses a major economical and welfare challenge for the pig production. It has been hypothesized that an increased use of the creep area early ... -
Commodity prices and market institutions in Ethiopia
(PhD Thesis;2010:14, Doctoral thesis, 2010)This PhD Thesis comprises five chapters including an introduction and four separate papers. The overall objective of the thesis is to evaluate the performance of agricultural commodity markets in Ethiopia. Economists have ... -
Essays on contracts, risk coping and technology adoption in Ethiopia
(PhD Thesis;2010:18, Doctoral thesis, 2010)This dissertation consists of an introduction and four independent papers. The first two papers examine land and livestock rental contractual arrangements. The first paper provides detailed analysis of cost sharing contract ... -
Rural nonfarm employment in Ethiopia : participation, impacts and dynamics
(PhD Thesis;2010:20, Doctoral thesis, 2010)This thesis consists of four papers analyzing the different facets of rural nonfarm employment in Ethiopia. The analyses in this thesis are mainly based on panel data of more than 1400 rural household in Ethiopia. The ...