ex ante evaluation of investment in research and development for major food commodities: case study...
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Ex Ante Evaluation of Investment in Research and Development for Major Food Commodities: Case Study of the Philippines Using the Welfare Impact Simulator for Evaluating Research (WISER) Model
Roehlano M. BrionesResearch Fellow, Philippine Institute for Development StudiesPresented at the 52nd Meeting of the Philippine Economic Society, 14 November 2014, Hotel Intercontinental, Makati City
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Background
• Research intensity ratio = 1.00 (public R&D spending on agriculture divided by agricultural GDP) has been cited as a benchmark for public expenditure on agricultural R&D • For the Philippines, the 1997 AFMA elevates benchmark to a legal
obligation: annual budgeted expenditure on agricultural R&D should reach 1% of the agricultural GVA two years earlier (starting 2001)• However no annual budget since 2001 has reached this target. • The current budget proposal for 2015 is nearest this benchmark; =
5.26 billion, vs AFMA benchmark of 12.96 billion
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Aims and scope
• This study: ex ante impact evaluation for meeting the AFMA benchmark (counter-factual scenario analysis)• Applied to major food commodities starting 2013; these account fo
62% of agricultural GVA that year• Method: economic surplus analysis, using Welfare Impact Simulator
for Evaluating Research (WISER)• Based on standard linear model and techniques in Alston, Norton, and
Pardey (1995)• Generates measures of project worth: NPV, BCR, IRR
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Background: Shares in Agriculture GVA
Paddy rice23%
Maize6%
Sugarcane2%
Banana7%
Mango2%
Livestock13%
Poultry9%
Others38%
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Background: Output (million tons)
15.8
6.4
17.9
9.1
0.8
1.9
1.4
18.4
7.4
24.6
8.6
0.8
2.0
1.6
0.0 5.0 10.0 15.0 20.0 25.0 30.0
Paddy rice
Maize
Sugarcane
Banana
Mango
Livestock
Poultry
2013 2010
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Background: Public outlays for agri R&D
2013 2015
Total 3,144,939 5,261,917
DA – Office of the Secretary (OSec) 455,400* 2,113,509**
DA - Bureau of Plant Industry (DA - BPI) 31,128
DA - Bureau of Fisheries and Aquatic Resources (DA - BFAR) 69,015 417,518
DA - Fiber Industry Development Authority (DA - FIDA) 60,694
DA - Cotton Development Authority (DA - CoDA) 23,372 129,121
DA - Agricultural Training Institute (DA - ATI) 2,290
DA - Philippine Carabao Center (DA - PCC) 27,827 117,084
DA - Philippine Coconut Authority (DA - PCA) 54,000 108,500
DA - Philippine Rice Research Institute (DA - PhilRice) 532,200 397,007
PCAARRD 786,727 842,305
Forest Products Research and Development Institute (FPRDI) 70,888 53,008
UPLB*** 272,107 360,128
State Universities and Colleges 759,291 802,401
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Background: Public outlays for agri R&D
2013 2015
Total 3,144,939 5,261,917
DA – Office of the Secretary (OSec) 455,400* 2,113,509**
DA - Bureau of Plant Industry (DA - BPI) 31,128
DA - Bureau of Fisheries and Aquatic Resources (DA - BFAR) 69,015 417,518
DA - Fiber Industry Development Authority (DA - FIDA) 60,694
DA - Cotton Development Authority (DA - CoDA) 23,372 129,121
DA - Agricultural Training Institute (DA - ATI) 2,290
DA - Philippine Carabao Center (DA - PCC) 27,827 117,084
DA - Philippine Coconut Authority (DA - PCA) 54,000 108,500
DA - Philippine Rice Research Institute (DA - PhilRice) 532,200 397,007
PCAARRD 786,727 842,305
Forest Products Research and Development Institute (FPRDI) 70,888 53,008
UPLB*** 272,107 360,128
State Universities and Colleges 759,291 802,401
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Similar to allocation in Southeast Asia:• Southeast Asian countries ranked among the last in a list of 60
countries: • Myanmar (59)• Vietnam (57)• Indonesia (54)• Laos (50).
• Even the Philippines, which ranks 36, has a research intensity ratio of 0.44, short of the median ratio of 0.50. • The highest ranking country in Southeast Asia is Malaysia at a ratio of
1.01 (ranked 16th).
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Method
• Economic surplus analysis (linear model; implemented in GAMS)• Thirty-year scenario starting 2013• 40% reduction in average cost during the first ten years after the
research lag (i.e. years 5 – 15 from the baseline), then 20% reduction until the end of the scenario. Adoption follows a logistic process based on the following: adoption rate at baseline is 0.5%; in adoption in ten years is 60%; and ceiling adoption is 80%.
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Method
• sensitivity analysis is conducted with regard to model parameters and exogenous variables. The variations are as follows: • Parameters: 50% higher and 50% lower elasticities (respectively for
demand and supply, in absolute value);• Exogenous variables: • Zero exogenous growth in demand and in supply; • Research impact on processing and marketing efficiency.
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Baseline data for simulatiosn
Rice White Corn
Cardaba Banana
Sugarcane Mango Hogs Chicken
Producer Price (pesos/ton) 17,070 13,930 8,350 1,630 23,520 95,660 83,830
Consumer Price (pesos/ton) 33,785 18,970 17,640 38,000 66,530 164,550 130,290
Loss due to processing, ratio 0.35 0 0 0.90 0.10 0 0
Quantity supplied, primary ('000 tons) 18,439 2,129 2,557 24,585 816 2,012 1,556
Elasticity of demand -0.50 -0.83 -1.01 -0.79 -1.55 -1.16 -0.40
Elasticity of supply 0.45 0.23 0.40 0.49 0.40 0.10 0.10
Growth of demand (%) 3.00 2.00 4.00 4.00 5.00 1.00 1.00
Growth of supply (%) 2.50 1.50 3.50 3.50 4.50 0.50 0.50
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Counter-factual R&D expenditure per year
2,436
237
383
139
181
1,232
796
- 500 1,000 1,500 2,000 2,500 3,000
Rice
White corn
Cardaba banana
Sugarcane
Mango
Hogs
Chicken
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Results: Prices and quantities by 2043 Reference R&D
Producer
price Consumer
price Output Producer
price Consumer
price Output
Rice 20 16 117 12 9 125
White corn 18 13 58 14 10 62
Cardava banana 16 7 188 7 3 201
Mango 14 5 278 6 2 296
Sugarcane 17 7 194 6 2 206
Hogs 18 10 18 15 9 20
Chicken 39 25 20 33 21 22
Note: All prices in real terms.
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Results: Net Present Values
R&D Demand elasticity Supply elasticity Zero Growth
Post-harvest Lower Higher Lower Higher
Rice 108,395 117,310 103,598 53,625 158,443 45,644 208,475
White corn 3,597 4,223 3,343 1,291 5,780 3,058 12,233
Cardaba banana 11,793 12,423 11,446 6,064 17,098 4,520 35,483
Mango 12,481 13,163 12,127 6,226 18,317 3,829 33,046
Sugarcane 26,677 27,610 26,076 14,053 38,377 9,846 195,910
Hogs 10,871 13,515 9,890 2,547 18,881 6,233 86,682
Chicken 10,324 13,580 8,922 3,761 16,185 4,206 50,336
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Results: Benefit-Cost Ratios
R&D Demand elasticity Supply elasticity Zero Growth
Post-harvest Lower Higher Lower Higher
Rice 9.9 10.6 9.5 5.4 14.0 4.7 18.1
White corn 4.0 4.6 3.8 2.1 5.9 3.6 11.3
Cardaba banana 17.9 18.9 17.4 9.7 25.6 7.5 52.0
Mango 14.8 15.5 14.4 7.9 21.2 5.2 37.5
Sugarcane 14.9 15.4 14.6 8.3 21.0 6.1 103.2
Hogs 2.8 3.2 2.6 1.4 4.1 2.0 15.1
Chicken 3.6 4.4 3.2 1.9 5.1 2.1 13.6
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Results: Internal Rates of Return
R&D Demand elasticity Supply elasticity Zero Growth
Post-harvest Lower Higher Lower Higher
Rice 21.4 21.9 21.1 16.2 24.6 16.2 25.2
White corn 14.3 15.1 13.9 9.5 17.3 13.8 21.6
Cardaba banana 26.6 26.9 26.4 20.9 30.2 20.2 34.9
Mango 24.4 24.7 24.2 18.9 27.9 17.0 32.2
Sugarcane 24.8 25.0 24.7 19.5 28.3 18.4 43.7
Hogs 11.6 12.6 11.2 6.9 14.5 9.4 25.0
Chicken 13.4 14.8 12.7 9.0 16.1 9.6 24.0
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Conclusion
• Numerous qualifications: • projections with and without the posited R&D investment• technical assumptions related to elasticities of demand and supply, functional
forms of supply, demand, and the adoption process; and single market competitive equilibrium under a closed economy. • every effort has been taken in this instance to avoid arbitrariness
• Bottom line: Except for hogs and chicken under conditions of implausibly low supply response and intrinsic market growth, the worthiness of R&D investment at the 1% benchmark is robust.