After reading this chapter, you should be able to: Explain why agricultural prices and farm income are unstable, discuss why there has been a huge employment exodus from agriculture to other U.S. industries over the past several decades, relate the rationale for farm subsidies and the economics and politics of price supports (price floors), describe major criticisms of the price-support system in agriculture, list the main elements of existing Federal farm policy.
Trang 1Agriculture: Economics and Policy
Trang 2• Extreme diversity
• Farm products and food products
• Short-run price and income instability
• Inelastic demand
• Fluctuations in output
• Fluctuation in demand
• Dependence on world markets
Trang 3• Effects of changes in farm output on agricultural prices and income
D Q
P p
Q
0
P
P n
P b
Q Q
Normal Farm Income
n p
b
Trang 4• The effects of a demand shift on
agricultural prices and income
D 1
P 1
Q
0
P
P 2
Q n
b
a
D 2
Shift in demand causes a large change in
price and farm income
Trang 5• Supply increased rapidly
• Technological progress
• Demand increased slowly
• Inelastic with respect to income
• Population growth
Trang 6• Long-run decline of agricultural prices
and farm income
D 1
P 1
Q
0
P
P 2
Q 1
b a
D 2
S 1 S
2
Q 2 c
Trang 7• Major consequences
• Increased minimum efficient scale (MES)
• Consolidation
• Agribusiness
• Massive exit of workers
• Farm labor 2% of labor force
• Farm-household income
Trang 8• Subsidized since 1930s
• Support for agricultural prices, income, and output
• Soil and water conservation
• Agricultural research
• Farm credit
• Crop insurance
• Subsidized sale of farm products in world markets
Trang 9Economics of Farm Policy
Trang 10• Rationale for farm subsidies
• Necessities of life
• “Family farm” institution
• Extraordinary hazards
• Competitive markets for output while inputs have significant
market power
Trang 11• Agricultural Adjustment Act of 1931
established parity concept
• Particular real output results in
same real income
• Preserve purchasing power
• Rationale for price supports
Parity Ratio =Prices Received by Farmers
Prices Paid by Farmers
Trang 12• Economics of price supports
• Effective price floor
• Generates surplus output
• Gain to farmers
• Loss to consumers
• Efficiency losses
• Other social losses
• Environmental costs
• International costs
Trang 13b a
S
S
D
D
P e
P s
Tax Burden
Of Surplus
Economics of Farm Policy
Surplus
c
Trang 14• Reduction of surpluses
• Restricting supply
• Acreage allotments
• Bolstering demand
• Gasohol
• Biodiesel
• Corn-based ethanol
• The ethanol program
• Higher food prices
• Secondary effects
Trang 15• Criticisms of parity concept
• Criticisms of price supports
•Symptoms not causes
•Misguided subsidies
•Policy contradictions
Trang 16• Public choice theory revisited
• Changing politics
• Declining political support
• World trade considerations
• Recent farm policy
• Freedom to Farm Act of 1996
• Food, Conservation, and Energy Act of 2008