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ECP > Land Values and CBA > Flashcards

Land Values and CBA Flashcards

1
Q

What conflict does CBA address?

A

Biodiversity and habitat conservation vs development and land conversion

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2
Q

What is CBA?

A

Simple decision rule which is based on values and commensurability

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3
Q

What is a discount rate?

A

Returns in the future are worth less than cash in hand

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4
Q

The higher the discount rate?

A

The less future returns are valued

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5
Q

What is the typical discount rate used?

A

6-10%

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6
Q

What is a discount factor?

A

Used to makes costs and benefits comparable as a net present value

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7
Q

What is total economic value made up from?

A

Direct Use value, Indirect Use value, Option value, Quasi Option value, Benefit value, Existence value

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8
Q

What is Voodoo economics?

A

Economic benefits/growth based on estimated future indirect benefits

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9
Q

What are the environmental values of a forest?

A 
Drought and flood regulation
Control of soil erosion and sedimentation
Protection against weather damage
Purification of air and water
Conservation of genetic resources
Carbon sequestration 
Habitat
Groundwater recharge
Recreational and spiritual benefits
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10
Q

What are the costs of forest land use conversion?

A 
Foregone timber revenue
Foregone other forest products
Foregone direct use for tourism
Loss of protection from forest cover
Loss of biological diversity 
Loss of carbon sequestration
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11
Q

What are market failures?

A

When market prices fails to reflect the full value of a commodity to society

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12
Q

What are policy failures?

A

Where the policy interventions necessary to correct market failures are not taken

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13
Q

What is the environmentalist’s view on discount factors?

A

There is no discount. The value of the environment in the future is the same as it is now

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14
Q

What are the economic instruments for land use?

A 
Cap and trade
Floor and trade
Offsets
Conservation banking
Contracts for services
Reverse auctions 
Stacking
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15
Q

What is land sparing?

A

Where increases in yield releases agricultural land from production

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16
Q

What is the benefit of land sparing?

A

Spare land contributes to biodiversity targets, PES can provide income to farmers

17
Q

What are the ways to increase yield?

A

Fertilisers, pesticides, planting and breeding GMOs

18
Q

What is the Jevons Paradox?

A

Technological progress/government policy increases efficiency in use of a resource, but due to increase demand the rate of use continues to increase

19
Q

How much of Earths ice and desert free area is agriculture?

A

40%

20
Q

How much of world’s freshwater withdrawal does agriculture represent?

A

2/3rds

21
Q

Impact of land sparing on biodiversity?

A

Potential to limit the impact of human activity on biodiversity

22
Q

What are the environmental costs of agriculture?

A

GHG and ammonia emission
Eutrophication
Dispersal of harmful pesticides
Freshwater depletion

23
Q

What is the counter argument for land sparing?

A

Argues that although it limits the amount of land impacted, the other environmental impacts still persist or are worsened e.g. fertiliser, pesticide use

24
Q

Therefore what should we do to limit the impact of our agriculture?

A

Combine higher yield practices with efforts to reduce the rebound effects e.g. strict land zoning, strategic deployment of yield enhancing loans and restricted rural subsidies

25
Q

How could PES be combined with land sparing?

A

The biodiversity gains generated by land sparing could provide additional income to farmers - conservation credits?

26
Q

Future of food demand in UK and implication for land?

A

British farmland must increase by 28% if it is to supply the growing food demand by 2050.

27
Q

What would happen if land spared increased 5-50%?

A

UK bird populations would soar 250%

28
Q

Which birds would benefit in particular?

A

Bitterns
Bearded tits
Grey partridge
Yellow hammer

ECP (18 decks)

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