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brown-logo.pdf Farmers Markets Planners Why don’t low productivity farmers adopt high return investments? Andrew Foster November 4, 2016 Andrew Foster Why don’t low productivity farmers adopt high return investments?

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Page 1: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

brown-logo.pdf

Farmers Markets Planners

Why don’t low productivity farmers adopt highreturn investments?

Andrew Foster

November 4, 2016

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 2: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

brown-logo.pdf

Farmers Markets Planners

What is exactly a high return investment?

Samphantharak and Townsend “Measuring the return onhousehold enterprise: What matters most for whom?”

Cash versus accrualCosting out household assets

Foster and Rosenzweig “Are Indian Farms Too Small?Mechanization, Agency Costs, and Farm Efficiency

Yield, profits, rental price scale

Labor costsCredit costs

Beaman, Karlan, Thuysbaert, Udry ”Profitability of Fertilizer:Experimental Evidence from Female Rice Farmers in Mali”

Complicated for farmers to assess given multiple changes

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 3: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

brown-logo.pdf

Farmers Markets Planners

To what extent must methods be adopted to localconditions?

Bustos and Ponticelli “Agricultural productivity and structuraltransformation. evidence from brazil. Evidence from Brazil”

Natural variation interacts importantly with features ofsoil/climate

Roy et al, “The phosphorus cost of agricultural intensificationin the tropics”

Subtle differences in ways soil holds nutrients affects resourcecosts phos

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 4: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

brown-logo.pdf

Farmers Markets Planners

How do we reduce the risks associated with technologyadoption?

Rosenzweig and Udry, “Forecasting profitability”

Improving forcasts may reduce the downside risk of technologyadoption forc

Jack, Oliva, Bell, Severen and Walker Technology adoptionunder uncertainty: Take-up and subsequent investment inZambia

Expansion in risk may increase adoption but decreasefollow-through

Carter, Laajaj, and Yang “Savings, Subsidies, and TechnologyAdoption: Field Experimental Evidence from Mozambique”

Posible evidence that savings substitutes for technologyadoption

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 5: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

brown-logo.pdf

Farmers Markets Planners

What do we do with ambiguity, hyperbolic discounting,and amenities?

Elabed and Carter. Compound Risk Aversion, Ambiguity andthe Willingness to Pay for Microinsurance,

Compound lottery aversion

Casaburi and Willis “Time vs. State in Insurance:Experimental Evidence from Kenya Contract Farming”

Allowing to pay ex-post makes a large difference in terms ofuptake ambig

Kala “Learning and adaptation: Evidence from IndianAgriculture”

Ambiguity aversion and recency bias

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 6: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Farmers Markets Planners

To what extent is productivity influenced by factor marketsand prices?

Foster and Rosenzweig “Are Indian Farms Too Small?Mechanization, Agency Costs, and Farm Efficiency

Mechanization is complementary with land scale

Pellegrina “The Causes and Consequences of AgriculturalSpecialization in Brazil”

General equilibrium model incorporating input and ouputmarket costs as well as land suitability to understand whereproducts grow. factor

Gafaro “Private Property Rights, Land Markets andAgriculture”

Property rights decrease agricultural investment due to exit ofhigher skilled farmers

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 7: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

brown-logo.pdf

Farmers Markets Planners

How do we reduce quality heterogeneity in input markets?

Bold, Kaizzi, Svensson, and Yanagizawa-Drott, “LemonTechnologies and Adoption: Measurement, Theory andEvidence from Agricultural Markets in Uganda”

Nutrient packets from local markets are of heterogeneousquality, which complicates inference problem input

Emerick ”Identity and the exchange of goods in villageeconomies ”

Local markets for product seeds did not develop despite gooduptake of seeds delivered by NGO

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 8: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

brown-logo.pdf

Farmers Markets Planners

What are the best ways to improve access to productmarkets?

Gafaro, Transport costs and the commodification ofagriculture

Importance of fixed costs in understanding whichareas/farmers move to cash crops product

Pellegrina “The Causes and Consequences of AgriculturalSpecialization in Brazil”

Role of trade and transport to coast in changing the spatialdistribution of agricultural production.

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 9: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

brown-logo.pdf

Farmers Markets Planners

Do farmers have the right incentives to learn and to teach?

Foster and Rosenzweig, “Learning by Doing and Learning fromOthers: Human Capital and Technical Change in Agriculture”

Is the learning of neighboring farmers complements orsubstitutes? learn

BenYishay and Mobarak, Social Learning and Incentives forExperimentation and Communication

Pay for performance increases teaching (and possibly learning)

Hardy, “It Takes Two: Experimental Evidence on theDeterminants of Technology Diffusion”

Rivalry may decrease transmission of information

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 10: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Farmers Markets Planners

Do farmers appropriately internalize the environmentalconsequences of agricultural investment?

David Glick Pass the Salt: Salinity and Credit in Rural Indiasalt

Subtle difference in respond to input credit by salination level

Foster and Nagarajan “Spillovers, Coordination Failure, andthe Consequences of Fragmentation in Rural India”

Evidence of uninternalized negative spillovers acrossneighboring plots.

Gine and Jacoby, Contracting under Uncertainty:Groundwater in South India

Uncertainty and hold up complicates contracting overgroundwater.

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 11: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Farmers Markets Planners

What can experts do?

Beaman, BenYishay, Magruder and Mobarak “Can NetworkTheory-based Targeting Increase Technology Adoption?”

Need to learn from multiple sources particularly from farmerswith comparable circumstances exten

Gao and Foster “Does a History of Public Health SuccessLead to Improvements in Public Health Efficacy? Evidencefrom the WHO Smallpox Eradication Program in India andWest Africa”

Importance of success in determining responsiveness toextrenal information

Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 12: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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More

Figure: Yield and Profits by Acres in India

-2000

0

2000

4000

6000

8000

10000

12000

14000

0 2 4 6 8 10 12 14 16 18 20

Output value

Profit, lower-bound wage

Profit, upper-bound wage

Profit, zero-cost family labor

Figure 3. Measures of Per-Acre Productivity, by Owned Landholding Size (2007-8)

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Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 13: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Figure: Adoption of HYV

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Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 14: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Figure: Deduction Premia

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Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 15: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Figure: Increased Forecast Ability

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Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 16: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Figure: Effect of Credit on Land Cultivated

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Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 17: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Figure: Trajectories of Phosphate Use and Value of Agriculture

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Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 18: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Figure: Where are land intensive crops growth?

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Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 19: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Figure: Output with different qualities of fertilizer

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Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 20: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Figure: Factor prices change with market access

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Andrew Foster

Why don’t low productivity farmers adopt high return investments?

Page 21: Why don't low productivity farmers adopt high return ...pubdocs.worldbank.org/en/578551478807539742/foster.pdf · brown-logo.pdf Farmers Markets Planners Why don’t low productivity

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Figure: Uptake based on various learning structures

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Andrew Foster

Why don’t low productivity farmers adopt high return investments?