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Rent, Water, and Common Property

Rent, Water, and Common Property. Economic valuation of natural resources and problems with managing publicly held resources. Grape prices. High grape prices in 2000 caused conversion of oak woodland to grape production, and subsequent decline in price.

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Rent, Water, and Common Property

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  1. Rent, Water, and Common Property Economic valuation of natural resources and problems with managing publicly held resources

  2. Grape prices • High grape prices in 2000 caused conversion of oak woodland to grape production, and subsequent decline in price. • Who gains or loses from a increase or decrease in grape prices? • Develop the concept of “Rent” • Applicable to land, water, … all scarce resources!

  3. Concepts of “rent” [1 of 2] • Contract rent: payment by tenant for right to use owner’s property • Apartment • Economic rent: payment to a fixed factor above competitive rate of return (payment for a good in excess of its cost of provision) • Fertile agricultural land

  4. Concepts of “rent” [2 of 2] • Scarcity rent: premium accruing to a factor of production because it is limited in supply • Willie Nelson • Quasi-rent: Short-run profit that are competed away over time. • New Nat’l Forest policy increases logging

  5. An economic model of rent • 3 types of land (A, B, C) • 1000 acres of each type • With $1000 in inputs can produce • A: 500 bushels [cost = $2.00/bushel] • B: 400 bushels [cost = $2.50/bushel] • C: 250 bushels [cost = $4.00/bushel] • Current price $2.00/bushel

  6. Who gains from 2x price increase? RentB=600 $/bushel RentC=0 RentA=1000 Farm A: gains $1000 Farm B: gains $600 Farm C: break even Oaks: lose 4.00 2.50 2.00 Bushels 500 900 1150

  7. A “living wage” • What are the environmental and ecological effects of a living wage for agricultural workers in SB county? • Depends on • How much workers produce on different types of agricultural land • Think of workers (labor) as an input to production (just like land, fertilizer, etc.)

  8. Very large labor supply • With an effectively infinite supply of labor at current wage, w: Output/L MPA MPB MPC wage Labor (L) LA L*

  9. Rent to each land type Rents accrue to land type A because labor is more productive on land type A. RentA Output/L RentB RentC wage Labor (L) L*

  10. With minimum wage • With minimum wage: • Employment  • Rent  • Type “C” out of • Production (env.). Output/L MPA MPB MPC New wage Old wage Labor (L) L2 L*

  11. The economics of water • Allocation: balance between many users and limited resource: • Consumptive uses (residential, industrial, agricultural) • Non-consumptive uses (fisheries, recreational, hydro-electric power, transportation)

  12. Consumptive users in US • Irrigation: 39% • Thermo-electric power: 39% • Public supply: 12% • Industry: 6% • Livestock: 1% • Home: 1% • Mining: 1% • Commercial: 1%

  13. Top 3 agricultural users

  14. Agricultural vs. municipal • Agricultural water heavily subsidized • Price ~ $20/AF, use 80% water in California • Cost to supply ~ $1000/AF • Municipal water • Price ~ $300/AF • Groundwater • Largely unregulated, “open access” resource, few property rights, difficult to enforce pumping laws

  15. The Central Valley Project • The CVP carries water from Northern CA to southern CA. Water rights for CVP water follow the land, not the owner. • Which landowners gain from CVP?

  16. Who gains from CVP? • Landowners that purchased property prior to CVP gain. • Prior purchase price of land did not “capitalize” the CVP water right. • Future price will capitalize that right. • Rent accrues to property that will obtain rights to CVP water.

  17. Imperial Valley/San Diego • High profile water transfer proposed from Imperial Valley to San Diego • Imperial Valley • Desert, agricultural, poorest county in CA • Vast water rights • San Diego • One of richest, largely municipal, high marginal value for water.

  18. The economics of water transfer • What does economics have to say about water transfer from agricultural uses to municipal uses? • Allocate a fixed amount of water between the 2 uses. • How do we know when allocation is efficient? • Equi-marginal principle

  19. Efficient allocation San Diego willing to pay this for 1st AF $ (A) $ (U) Imp. Valley willing to sell 1st AF for this $1000 DA $50 DU U0 100% U: 0% A0 A: 100% 0%

  20. Limit water to control growth? • Some argue that we should limit transfers (prev. slide) to limit growth in urban environments. • Economic solution: If we want to limit growth, should target growth directly (e.g. development tax or TDRs). • That way, get same outcome more efficiently.

  21. Did they reach agreement? • Different marginal values should lead to large incentives for trade • Imperial Valley was going to sell about 5% of water allocation to San Diego at price of around $300/AF. • Deal broke down • Concerns over agricultural labor & way of life

  22. California & the Colorado R. • 7 states draw from Colorado: • Arizona, Colorado, California, New Mexico, Utah, Wyoming, and Nevada • Dept. of Interior: CA has not lived up to sharing & conservation obligations • Saw Imperial Valley transfer as good thing • If no deal, slash CA entitlement from 5.2 MAF/yr to 4.4 MAF/yr. • Jan 1, entitlement reduced.

  23. Allocation by prior appropriation • Prior Appropriations: “First in time, first in use” • Economists criticize open access systems because they lack specified property rights. “Prior appropriations” gives property rights to agricultural users. Is this an efficient way to allocate water between 2 consumptive users?

  24. “Prior appropriations” Ag users get first dibs, consume QA units of water at price PA. Urban buys QU at price PU. PAPU so equi- marginal principle fails. Price Urban Supply (S-QA) Supply PU P* PA DTotal DU DA QA Q* QU Water

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