Module 6 Valuing impacts from observed behavior Flashcards
What is a shadow price?
The estimation of what the price would be if the good or service were traded in a perfectly competitive market
Based on observed behavior
Revealed preferences
What is a perfectly competitive market?
Goods are traded in a market
Demand curve => Marginal social benefit
Supply curve => marginal social cost
Equilibrium price and quantity are efficient and where MSB = MSC
When does MSB != MSC?
Market failure
A market doesnt exist
Government intervention
What are the shadow price estimation methods?
Simple
- Market analogy
- Trade-off [VSL]
- Intermediate good
- Asset valuation
Regression
- Hedonic pricing
What is the market analogy method?
Using the equilibrium price and quantity of the privately provided good to deduce the true equilibrium price of the publicly provided good
Market analogy best practices
Publicly and privately provided goods are similar
No excess demand or its known
The two goods represent two points on the same demand curve
Total benefit
The max amount a consumer would be willign to pay for a certain number of units of a good
Graphically: the area under the demand curve up to the quantity purchased
Total benefit = consumer surplus + total consumer expenditure
Consumer surplus
The net benefit a consumer gains from consuming a certain quantity of a good
The difference between the amount willing and actual amount spent
Graphically: the area under the demand curve and above the equilibrium price
Given two p and q
FSU p1: 7000 Private p2: 35000
q1: 32000 q2: 10000
Estimate the demand curve
Find consumer surplus
Final total benefit created
Find the demand curve by using a system of equation
q = 37500 - 0.786p
CS = 1/2(32000)(47727-7000)= 651632000
Total benefit = CS +p1*Q1 = 651632000 + 244000000 = 875632000
Trade-off approaches
- Value of time
- VSL
- Human capital
- Willlingness to pay
Trade-off: value of time
People sell their leisure time for their wage
Value of time = hourly wage
Trade-off: VSL
VSL is the local tradeoff rate between fatality risk and money
Serves as a measure of willingness to pay for risk reduction and the cost of enhancing safety
Provides policy guidance
Value of a Statistical Life: Human Capital
Human capital approach: the value of a life is equal to the market values of the output produced by an individual during his or her expected lifetime
Think GDP!!!
Value of a Statistical Life: PURE Human Capital
Using the pure human capital approach
* The value of a year is worth the annual salary
* The value of an hour is worth the hourly wage
* Leisure time is often valued at approximately 50% of the wage
Value of a statistical life: Willingness to pay
The value of a life is equal to the amount an individual is willing to pay to avoid death
VSL = WTP/Reduction in mortality risk