The effect of policy incentives and technology on sustainable land management and income of small farm households: a bioeconomic model for Anjeni Area, North Western Ethiopia
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| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Göttingen
Cuvillier
2011
|
| Edition: | 1. Aufl. |
| Subjects: | |
| Online Access: | Inhaltstext Inhaltsverzeichnis |
| Item Description: | Zsfassung in dt. Sprache |
| Physical Description: | XIII, 139 S. graph. Darst., Kt. 21 cm |
| ISBN: | 9783869556239 |
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| 245 | 1 | 0 | |a The effect of policy incentives and technology on sustainable land management and income of small farm households |b a bioeconomic model for Anjeni Area, North Western Ethiopia |c von Yitayal Anley Mengistu |
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IMAGE 1
TABLE OF CONTENTS
CHAPTER ONE 1
INTRODUCTION 1
1.1 BACKGROUND .*.*,_.*._ M.».~._.*._.
N»».~.~.~.--. .,.-.-*-.M».-.H.~.»-1
13 PROBLEM STATEMENT*.*.*.-
.*.--.-.*.-.-.-.-».*.*-.- -.-.-.- -2
13 RESEARCH QUESTIONS.».-.-.»»».».-.
1.4 RESEARCH OBJECTIVES.-.».».».».
1-5 ORGANIZATION OF THE THESIS.-.*.- .-
»._.».-.- -.».».-.-.-.--.4
CHAPTER TWO 5
STUDY AREA, DATA SOURCES AND CHARACTERISTICS OF SAMPLE HOUSEHOLDS 5
2.1 THE STUDY AREA . _5
2.1.1 LOCATION, TOPOGRAPHY AND CLIMATE 5
2.1.2 SOIL TYPES, EROSION AND CONSERVATION 7
22. DATA SOURCES - _ 8
2.2.1 PRIMARY DATA AND SURVEY DESIGN 8
222 SOURCES OF SECONDARY DATA 11
2J CLASSIFICATION AND CHARACTERISTICS OF SAMPLE HOUSEHOLDS 11
2 J.I CLASSIFICATION OF SAMPLE HOUSEHOLDS 11
23.2 CHARACTERISTICS OF SAMPLE HOUSEHOLDS 15
CHAPTER THREE 19
AGRICULTURE, LAND DEGRADATION AND DEVELOPMENT POLICIES 19
3.1 PERFORMANCE OF THE AGRICULTURE SECTOR IN
ETHIOPIA.-.-.».».».»».»».».-.»-.».».».».».
19
32 LAND DEGRADATION AND PRODUCTIVITY OF AGRICULTURE 21
33 AGRICULTURAL DEVELOPMENT POLICIES AND STRATEGIES: RECENT EXPERIENCES
AND CONSTRAINTS . 22
CHAPTER FOUR 26
REVIEW OF APPROACHES AND METHODOLOGICAL ISSUES 26
4.1 INTRODUCTION 26
42 REVIEW OF BIOECONOMIC MODELS - -7
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1009716263
DIGITALISIERT DURCH
IMAGE 2
4-5 BIOECONOMIC MODELING APPROACHES.» . . 29
4.4 AFIGREFLATION LEVELS IN BIOECONOMIC MODELS
»».».-.*.-»».»»»».-.».»»»».»»».»».».».-.-*.-.».
31
4-5 PRODUCTION FUNCTION IN THE CONTEXT OF LAND MANAGEMENT-. . ._. 32
4.6 THE STATE OF RESEARCH ON LAND DEGRADATION IN ETHIOPIA . . 33
CHAPTER FIVE 37
MODELING PRODUCTION AND LAND MANAGEMENT DECISIONS 37
5.1 INTRODUCTION
».»*»*»-».-»».».».».».-.-.»»».».»»»».»».».».»-.-._.»»*»*».-.-».».»»»._.
37
52 CONCEPTUAL
FRAMEWORKS.».»--.».».»-.-»»».»».».»»».-».»».».»».»»».-»»»».
38
53 THEORETICAL FRAMEWORK .». ». » . - 39
53.1 INTRODUCTION 39
53.2 THE THEORY OF AGRICULTURAL HOUSEHOLD MODEL 40
53.3 MODELING FARM HOUSEHOLDS' DECISIONS USING LINEAR PROGRAMMING 45
53.4 PRODUCTION DECISION UNDER RISK 47
5.3.4.1 INTRODUCTION 47
5.3.4.2 PRINCIPLES OF DECISION MAKING UNDER RISK 47
5.3.4.3 DOWNSIDE RISK MEASURES 49
5.3.4.4 SAFETY FIRST MODEL 50
5.3.5 POSITIVE MATHEMATICAL PROGRAMMING 51
5.4. EMPIRICAL SPECIFICATIONS AND ESTIMATIONS. ».»* .». 56
5.4.1 OBJECTIVE FUNCTION 56
5.4.2 CROP YIELD FUNCTIONS 57
5.4.3 RESOURCES AND CONSTRAINTS 60
5.4.4 BIOPHYSICAL PROCESSES: SOIL EROSION, CONSERVATION AND NUTRIENT
BALANCE 68 5.4.5 RAINFALL AND YIELD VARIABILITY 73
CHAPTER SIX 76
THE EFFECT OF POLICY INCENTIVES AND TECHNOLOGY ON SUSTAINABLE LAND
MANAGEMENT AND HOUSEHOLD INCOME 76
6.1 INTRODUCTION - » . *.» . 76
62 BASE RUN OF THE BIOECONOMIC MODEL.-. 77
63 MODEL VALIDATION: ROBUSTNESS TEST ._._._. ». _*_ 78
6.4 SENSITIVITY
ANALYSIS.»»*.».-.».»»».»»-._.».-».-.-.»*.*.-***».-***».*.»--»-80
6-5. SIMULATION OF POLICY INCENTIVES AND TECHNOLOGY SCENARIOS _._. . 83
6.5.1 THE SHADOW PRICES OF RESOURCES 83
6.5.2 THE EFFECT OF IMPROVED SOIL AND WATER CONSERVATION TECHNOLOGIES
(ISWCT) 86 6.53 THE EFFECT OF ACCESS TO FERTILIZER CREDIT 89
6.5.4 THE EFFECT OF HIGH YIELDING CROP VARIETY (HYV) 92
6 .5.5 THE COMBINED EFFECTS OF IMPROVED SOIL AND WATER CONSERVATION
TECHNOLOGIES, ACCESS TO FERTILIZER CREDIT AND IMPROVED CROP VARIETY 94
6.6 CONCLUSIONS AND POLICY IMPLICATIONS . _. - - 97
IV
IMAGE 3
CHAPTER SEVEN 100
THE USE OF IMPROVED SOIL AND WATER CONSERVATION TECHNOLOGIES 100
7.1
INTRODUCTION.--._-.».**.*.-.-.-.».».».-.*.».».--.-.*.*.*.*.-
_._._. 100
13 THEORETICAL
FRAMEWORK.-.-.».**.--.*.».-.*._.-.*-*.,.*.*-.-*.
101
73 EMPIRICAL MODEL . . 104
7.4 DATA AND VARIABLES USED IN THE MODEL . 108
7.5 RESULTS AND DISCUSSIONS.-
-.*-.».»*.-.-.*-*-.»._.-._.-.-.»».
112 7.5.1 SOIL AND WATER CONSERVATION PRACTICES IN ANJENI AREA 312
7.5.2 FACTORS INFLUENCING THE USE OF IMPROVED SOIL AND WATER
CONSERVATION TECHNOLOGIES 114
7.6
CONCLUSIONS.-.-.-.*.-.».-*.*-.-.-.-.-.».*-.-._.-*.--.-»*
-.-.-117
CHAPTER EIGHT 119
SUMMARY, CONCLUSIONS AND POLICY IMPLICATIONS 119
8.1 SUMMARY . - 119
8.2 CONCLUSIONS AND POLICY
IMPLICATIONS.-.-.».».»--.-.-»».».-.-.».».».
.-. 126
83 STUDY LIMITATIONS AND FUTURE RESEARCH . . . 129
REFERENCES : 130
APPENDICES 136
APPENDIX-1: UNIVERSAL SOIL LOSS EQUATION ADAPTED TO ETHIOPIA 136
APPENDIX-2: NUTRIENT CONTENT OF ERODED SOIL AT THREE LEVEL OF SOIL
FERTILITY 137 APPENDIX-3: LENGTH AND AREA COVERED WITH SOIL CONSERVATION
MEASURES 137 APPENDIX-4: LABOUR REQUIREMENT FOR SOIL AND WATER
CONSERVATION TECHNOLOGY 137 APPENDIX-5: CONVERSION FACTORS USED TO
ESTIMATE TROPICAL LIVE STOCK UNITS (TLU) 138
APPENDIX-6: CONVERSION FACTORS USED TO ESTIMATE LABOUR EQUIVALENT (MAN
DAYS) 138 APPENDIX-7: CHEMICAL AND PHYSICAL PROPERTIES OF SOILS IN
ANJENI AREA 138 APPENDIX-8: RESIDUE TO GRAIN RATIO OF CROPS 139
APPENDIX-9 : HECKMAN SELECTION MODEL ESTIMATION 139 |
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| dewey-tens | 630 - Agriculture and related technologies |
| discipline | Agrarwissenschaft Agrar-/Forst-/Ernährungs-/Haushaltswissenschaft / Gartenbau Geographie |
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| spelling | Yitayal Anley Mengistu Verfasser (DE-588)143593285 aut The effect of policy incentives and technology on sustainable land management and income of small farm households a bioeconomic model for Anjeni Area, North Western Ethiopia von Yitayal Anley Mengistu 1. Aufl. Göttingen Cuvillier 2011 XIII, 139 S. graph. Darst., Kt. 21 cm txt rdacontent n rdamedia nc rdacarrier Zsfassung in dt. Sprache Zugl.: Bonn, Univ., Diss., 2010 Wirtschaftsentwicklung (DE-588)4066438-7 gnd rswk-swf Kleinbauernbetrieb (DE-588)4114221-4 gnd rswk-swf Degradation (DE-588)4200268-0 gnd rswk-swf Agrarproduktion (DE-588)4068471-4 gnd rswk-swf Äthiopien Nordwest (DE-588)4116861-6 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Äthiopien Nordwest (DE-588)4116861-6 g Kleinbauernbetrieb (DE-588)4114221-4 s Degradation (DE-588)4200268-0 s Agrarproduktion (DE-588)4068471-4 s Wirtschaftsentwicklung (DE-588)4066438-7 s DE-604 X:MVB text/html http://deposit.dnb.de/cgi-bin/dokserv?id=3657516&prov=M&dok_var=1&dok_ext=htm Inhaltstext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=021171935&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Yitayal Anley Mengistu The effect of policy incentives and technology on sustainable land management and income of small farm households a bioeconomic model for Anjeni Area, North Western Ethiopia Wirtschaftsentwicklung (DE-588)4066438-7 gnd Kleinbauernbetrieb (DE-588)4114221-4 gnd Degradation (DE-588)4200268-0 gnd Agrarproduktion (DE-588)4068471-4 gnd |
| subject_GND | (DE-588)4066438-7 (DE-588)4114221-4 (DE-588)4200268-0 (DE-588)4068471-4 (DE-588)4116861-6 (DE-588)4113937-9 |
| title | The effect of policy incentives and technology on sustainable land management and income of small farm households a bioeconomic model for Anjeni Area, North Western Ethiopia |
| title_auth | The effect of policy incentives and technology on sustainable land management and income of small farm households a bioeconomic model for Anjeni Area, North Western Ethiopia |
| title_exact_search | The effect of policy incentives and technology on sustainable land management and income of small farm households a bioeconomic model for Anjeni Area, North Western Ethiopia |
| title_full | The effect of policy incentives and technology on sustainable land management and income of small farm households a bioeconomic model for Anjeni Area, North Western Ethiopia von Yitayal Anley Mengistu |
| title_fullStr | The effect of policy incentives and technology on sustainable land management and income of small farm households a bioeconomic model for Anjeni Area, North Western Ethiopia von Yitayal Anley Mengistu |
| title_full_unstemmed | The effect of policy incentives and technology on sustainable land management and income of small farm households a bioeconomic model for Anjeni Area, North Western Ethiopia von Yitayal Anley Mengistu |
| title_short | The effect of policy incentives and technology on sustainable land management and income of small farm households |
| title_sort | the effect of policy incentives and technology on sustainable land management and income of small farm households a bioeconomic model for anjeni area north western ethiopia |
| title_sub | a bioeconomic model for Anjeni Area, North Western Ethiopia |
| topic | Wirtschaftsentwicklung (DE-588)4066438-7 gnd Kleinbauernbetrieb (DE-588)4114221-4 gnd Degradation (DE-588)4200268-0 gnd Agrarproduktion (DE-588)4068471-4 gnd |
| topic_facet | Wirtschaftsentwicklung Kleinbauernbetrieb Degradation Agrarproduktion Äthiopien Nordwest Hochschulschrift |
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