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研究生:松浦 正典
研究生(外文):Masanori Matsuura
論文名稱:氣候變異、生計多樣化與農業家戶糧食安全:孟加拉的實證研究
論文名稱(外文):Climate Variability, Livelihood Diversification, and FarmHousehold Food Security: Evidence from Bangladesh
指導教授:陸怡蕙陸怡蕙引用關係
指導教授(外文):Yir-Hueih Luh
口試委員:謝銘逢楊 豐安
口試委員(外文):Ming-Feng HsiehFeng-An Yang
口試日期:2022-01-13
學位類別:碩士
校院名稱:國立臺灣大學
系所名稱:農業經濟學研究所
學門:農業科學學門
學類:農業經濟及推廣學類
論文種類:學術論文
論文出版年:2022
畢業學年度:110
語文別:英文
論文頁數:63
中文關鍵詞:生計多樣化氣候變異糧食安全孟加拉國
外文關鍵詞:Livelihood diversificationClimate shocksAdaptationFood securityBangladesh
DOI:10.6342/NTU202200116
相關次數:
  • 被引用被引用:0
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Climate variability has become much more obvious as a result of global climate change. Livelihood diversification including crop and income diversification is one of the most remarkable strategies to manage risk and cope with economic and climate shocks in order to improve rural livelihood. We investigate the empirical linkages among climate variability, livelihood diversification, and household food security, exploiting three waves of nationally representative rural household panel data merged with granular climate data in Bangladesh. Using control function approach and IV regression to control for possible endogeneity of livelihood diversification, we find that seasonal rainfall shock and temperature shock affect livelihood diversification, then livelihood diversification improves household food security. Taken together, the results suggest that promoting the diversification strategies through investing in socio-economic factors, institutional conditions, and infrastructure., thus they can help to address the food insecurity of farmers under climate change in Bangladesh.
Climate variability has become much more obvious as a result of global climate change. Livelihood diversification including farm and income diversification is
one of the most remarkable strategies to manage risk and cope with economic and
climate shocks in order to improve rural livelihood. We investigate the empirical
linkages among climate variability, livelihood diversification, and household food
security, exploiting three waves of nationally representative rural household panel
data merged with granular climate data in Bangladesh. Using two-stage residual
inclusion and fixed effect regressions, we find that climate variability affects income diversification, and income diversification improves household food security.
In particular, the impact of income diversification is higher for the richest households through non-farm income and decreases monotonically moving toward the
bottom of the welfare distribution. These findings suggest making more attractive
livelihood strategies available to the rural poor, in terms of socio-economic factors institutional conditions, and infrastructure.
Acknowledgement i
Abstract ii
Table of Contents iii
List of tables v
List of figures vi
1. Introduction - 1 -
2. Literature review - 6 -
2.1 Climate change adaptation - 6 -
2.2 Livelihood diversification strategies - 11 -
2.3 Determinants of household food security - 13 -
2.3.1 Livelihood diversification - 13 -
2.3.2 Climate variability - 14 -
2.3.3 Socio-economic characteristics - 15 -
2.3.4 Agronomic, institutional and infrastructure characteristics - 16 -
2.3.5 Recent closest empirical studies - 16 -
2.4 Methodology - 18 -
3. Research methods and data - 21 -
3.1 Conceptual framework - 21 -
- 23 -
3.2 Data - 23 -
- 30 -
3.3 Calculation and description of key outcome and explanatory variables - 31 -
3.3.1 Diversification indices - 31 -
3.3.2 Household food security indicators - 32 -
3.3.3 Climate indicators - 33 -
3.4 Empirical framework - 33 -
3.5 Identification strategy - 36 -
3.5.1 Controlling for unobserved heterogeneity - 36 -
3.5.2 Controlling for endogenous regressor - 36 -
4. Results and discussion - 39 -
4.1 Determinants of diversification strategies - 39 -
4.2 Impact of livelihood diversification on household food security - 43 -
4.3 Robustness checks - 47 -
5. Conclusions and implications - 50 -
References - 54 -
Appendix: Table - 61 -
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