price volatility and buffer stocks

46
Commodity Price Volatilit y and Buffer Stocks AS Micro – November 2013

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Updated revision presentation covering price volatility in commodity markets and the economics of buffer stock "price stabilisation" schemes. designed for unit 1 micro course

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Page 1: Price Volatility and Buffer Stocks

Commodity Price

Volatility and Buffer

Stocks

AS Micro – November

2013

Page 2: Price Volatility and Buffer Stocks

Price VolatilityIndex of Prices 2000=100

The Economist Commodity Price Index

Commodity Price Index Food Commodity Price Index All Items

Source: Economist Commodity Price Index

06 07 08 09 10 11 12

100

125

150

175

200

225

250

Ind

ex

100

125

150

175

200

225

250

Industrial Metals

All Commodities

Index of Global Food Prices

Page 3: Price Volatility and Buffer Stocks

Why are prices volatile in the markets for many commodities?

Low Ped (<1)

Low Pes (<1)

Volatile Supply

Market Specula

-tors

Page 4: Price Volatility and Buffer Stocks

Using analysis diagramsPrice

Quantity

Price

Quantity

Page 5: Price Volatility and Buffer Stocks

Using analysis diagramsPrice

Quantity

Price

Quantity

S1

D1

RISE IN MARKET DEMAND

Page 6: Price Volatility and Buffer Stocks

Using analysis diagramsPrice

Quantity

Price

Quantity

S1

D1 D2

P1

P2

RISE IN MARKET DEMAND

Page 7: Price Volatility and Buffer Stocks

Using analysis diagramsPrice

Quantity

Price

Quantity

S1

D1 D2

P1

P2S1

D1

RISE IN MARKET DEMAND RISE IN MARKET SUPPLY

Page 8: Price Volatility and Buffer Stocks

Using analysis diagramsPrice

Quantity

Price

Quantity

S1

D1 D2

P1

P2S1

D1

S2

P1

P2

RISE IN MARKET SUPPLYRISE IN MARKET DEMAND

Page 9: Price Volatility and Buffer Stocks

Problems arising from price volatility

Risk and Uncertainty• Uncertain incomes and profits• May limit capital investment by poorer farmers

Risk of extreme poverty and unemployment• Millions of smaller farmers suffer • Many do not gain when world prices rise

Macroeconomic effects• Volatile export revenues affects the trade balance• High prices can cause inflation and food poverty

Page 10: Price Volatility and Buffer Stocks

Problems arising from price volatility

Risk and Uncertainty• Uncertain incomes and profits• May limit capital investment by poorer farmers

Risk of extreme poverty and unemployment• Millions of smaller farmers suffer • Many do not gain when world prices rise

Macroeconomic effects• Volatile export revenues affects the trade balance• High prices can cause inflation and food poverty

Page 11: Price Volatility and Buffer Stocks

Problems arising from price volatility

Risk and Uncertainty• Uncertain incomes and profits• May limit capital investment by poorer farmers

Risk of extreme poverty and unemployment• Millions of smaller farmers suffer • Many do not gain when world prices rise

Macroeconomic effects• Volatile export revenues affects the trade balance• High prices can cause inflation and food poverty

Page 12: Price Volatility and Buffer Stocks

Buffer Stocks – Do They Work?

Page 13: Price Volatility and Buffer Stocks

Cocoa PricesUS dollars per tonne, Daily price

Volatility in World Cocoa Prices

Source: Reuters EcoWin

06 07 08 09 10 11 12

US

do

llars

pe

r to

nne

(m

etric

)

1250

1500

1750

2000

2250

2500

2750

3000

3250

3500

3750

US

do

llars

pe

r to

nn

e (

me

tric

)

1250

1500

1750

2000

2250

2500

2750

3000

3250

3500

3750

Describe two significant features of the data on world cocoa prices shown in the chart

Page 14: Price Volatility and Buffer Stocks

Cocoa PricesUS dollars per tonne, Daily price

Volatility in World Cocoa Prices

Source: Reuters EcoWin

06 07 08 09 10 11 12

US

do

llars

pe

r to

nne

(m

etric

)

1250

1500

1750

2000

2250

2500

2750

3000

3250

3500

3750

US

do

llars

pe

r to

nn

e (

me

tric

)

1250

1500

1750

2000

2250

2500

2750

3000

3250

3500

3750

Describe two significant features of the data on world cocoa prices shown in the chart

1/ Prices are volatile – e.g. ranging from $3700 per tonne to $2100 during 2010 alone2/ Significant trend rise in prices from 2006-2011 but a steep decline from the peak of nearly $3750

Page 15: Price Volatility and Buffer Stocks

Ghana to establish Buffer Stock

The government in Ghana is to establish a Buffer Stock

Management Agency as a long term measure to ensure food security.

Such an Agency would have the dual responsibility of holding food

security buffer stocks and intervening in markets to ensure competitive prices to farmers in

times of glut

News reports: 18th October 2013

Page 16: Price Volatility and Buffer Stocks

Ghana to establish Buffer Stock

The government in Ghana is to establish a Buffer Stock

Management Agency as a long term measure to ensure food security.

Such an Agency would have the dual responsibility of holding food

security buffer stocks and intervening in markets to ensure competitive prices to farmers in

times of glut

News reports: 18th October 2013

Key aims: 1. Stabilise food prices2. Ensure food supplies

3. Prevent farmers / producers going out of business because

of drop in world prices

Page 17: Price Volatility and Buffer Stocks

Ghana – Primary Product Dependence

Page 18: Price Volatility and Buffer Stocks

Ghana Imports

Page 19: Price Volatility and Buffer Stocks

How might a buffer stock help to stabilise prices?

Price of Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

A buffer stock scheme is a government plan to stabilise prices in volatile markets

Page 20: Price Volatility and Buffer Stocks

How might a buffer stock help to stabilise prices?

Price of Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

Protect consumers

A buffer stock scheme is a government plan to stabilise prices in volatile markets

Page 21: Price Volatility and Buffer Stocks

How might a buffer stock help to stabilise prices?

Price of Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

Protect consumers

Protect producers

A buffer stock scheme is a government plan to stabilise prices in volatile markets

Page 22: Price Volatility and Buffer Stocks

How might a buffer stock help to stabilise prices?

Price of Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

Protect consumers

Protect producers

Market price free to vary between the upper & lower band

A buffer stock scheme is a government plan to stabilise prices in volatile markets

Page 23: Price Volatility and Buffer Stocks

How might a buffer stock help to stabilise prices?

Price of Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

Protect consumers

Protect producers

Market price free to vary between the upper & lower band

A buffer stock scheme is a government plan to stabilise prices in volatile markets

Page 24: Price Volatility and Buffer Stocks

Current market price is at P1Price of

Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

Actual Supply

P1

Q1

Page 25: Price Volatility and Buffer Stocks

P1

Q1

Consider an unexpected rise in actual market supply

Price of Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

Actual Supply

S1

Page 26: Price Volatility and Buffer Stocks

A rise in market supplyPrice of

Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

Actual Supply

S1

Page 27: Price Volatility and Buffer Stocks

A rise in market supplyPrice of

Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

Actual Supply

S1Q1

Excess supply at this price

Page 28: Price Volatility and Buffer Stocks

A rise in market supplyPrice of

Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

Actual Supply

S1

Demand with purchases

Q1

Page 29: Price Volatility and Buffer Stocks

A rise in market supplyPrice of

Cocoa

Quantity

Market Demand

Planned Supply

Upper Target

Upper Target Price

Lower Target

Lower Target Price

Actual Supply

S1

Demand with purchases

Q1

Cost of buying up

stocks

Page 30: Price Volatility and Buffer Stocks

Do Buffer Stock Schemes Work?

Page 31: Price Volatility and Buffer Stocks

Could a buffer stock scheme stabilise onion prices?An eye-watering rise in the price of onions has contributed to an unexpected surge in Indian inflation. Onion prices have more than tripled over the past year, with the wholesale price up 245 per cent.

Many Indians use onions in almost every meal, and some form of bread with onion is regarded as a basic diet for the poor

Onion prices in India have been high since January 2013, with officials blaming first a water shortage and then excessive monsoon rains, although business leaders say the underlying problems include bad roads and the country’s poor infrastructure for storage and distribution of fresh produce (Source: FT and BBC News)

Page 32: Price Volatility and Buffer Stocks

Problems in using buffer stocks for commodities such as cocoa

Buffer stock may not be large enough to change price

High intervention price leads to rising producer surpluses

Expensive to buy up the surpluses – might cause big losses

Costs of storage and falling quality of product

Might be better alternative long run policies for farmers

Page 33: Price Volatility and Buffer Stocks

Problems in using buffer stocks for commodities such as cocoa

Buffer stock may not be large enough to change price

High intervention price leads to rising producer surpluses

Expensive to buy up the surpluses – might cause big losses

Costs of storage and falling quality of product

Might be better alternative long run policies for farmers

Page 34: Price Volatility and Buffer Stocks

Problems in using buffer stocks for commodities such as cocoa

Buffer stock may not be large enough to change price

High intervention price leads to rising producer surpluses

Expensive to buy up the surpluses – might cause big losses

Costs of storage and falling quality of product

Might be better alternative long run policies for farmers

Page 35: Price Volatility and Buffer Stocks

Problems in using buffer stocks for commodities such as cocoa

Buffer stock may not be large enough to change price

High intervention price leads to rising producer surpluses

Expensive to buy up the surpluses – might cause big losses

Costs of storage and falling quality of product

Might be better alternative long run policies for farmers

Page 36: Price Volatility and Buffer Stocks

Problems in using buffer stocks for commodities such as cocoa

Buffer stock may not be large enough to change price

High intervention price leads to rising producer surpluses

Expensive to buy up the surpluses – might cause big losses

Costs of storage and falling quality of product

Might be better alternative long run policies for farmers

Page 37: Price Volatility and Buffer Stocks

Alternatives to buffer stocksMobile technology to help farmers

Encourage processing / branding by farmers

Improved basic storage facilities + irrigation

Micro insurance policies for poorer farmers

Page 38: Price Volatility and Buffer Stocks

Alternatives to buffer stocksMobile technology to help farmers

Encourage processing / branding by farmers

Improved basic storage facilities + irrigation

Micro insurance policies for poorer farmers

Page 39: Price Volatility and Buffer Stocks

Alternatives to buffer stocksMobile technology to help farmers

Encourage processing / branding by farmers

Improved basic storage facilities + irrigation

Micro insurance policies for poorer farmers

Page 40: Price Volatility and Buffer Stocks

Alternatives to buffer stocksMobile technology to help farmers

Encourage processing / branding by farmers

Improved basic storage facilities + irrigation

Micro insurance policies for poorer farmers

Page 41: Price Volatility and Buffer Stocks

Alternatives to buffer stocksMobile technology to help farmers

Encourage processing / branding by farmers

Improved basic storage facilities + irrigation

Micro insurance policies for poorer farmers

Page 42: Price Volatility and Buffer Stocks

Alternatives to buffer stocksMobile technology to help farmers

Encourage processing / branding by farmers

Improved basic storage facilities + irrigation

Micro insurance policies for poorer farmers

Good evaluation always includes suggesting alternatives to the policy / strategy under discussion

Page 43: Price Volatility and Buffer Stocks

Buffer stock multiple choice question

Page 44: Price Volatility and Buffer Stocks

Buffer stock multiple choice question

Page 45: Price Volatility and Buffer Stocks

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Page 46: Price Volatility and Buffer Stocks

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