ABCDEFGHIJKLMNOPQRSTUVWXY
1
BenefitsEstimateNotesRough Calculations
2
3
Income effects
4
IQ points lost per μg/dl of lead0.5
5
% of earning loss due to loss of an IQ point2.10%
6
Decrease in BLL due to intervention (μg/dl)1.64
7
IQ points lost per child exposed to spice0.82
8
% of earning loss due to spice exposure1.72%
9
Years until earning loss starts16
10
Years until earning loss ends65
11
Net present value for one cohort0.37
12
Net present value (adjusted for 16yrs from now)0.20
13
14
Years of income equivalent to one DALY2.8
15
Per Child Discounted income benefits in terms of DALYs eq / year
0.07
16
Total Income Benefits (number of times someones income was doubled)
2226944
17
average income
18
LFP
19
Total Dollar improvement
20
Total Discounted income benefits in terms of DALYs eq / year
795337GiveWell Value3117721.175
21
22
23
Health effectsCurrently, just using the same approximate ratio LEEP and Rethink have in their models. Have not currently done an independent calculation of the health benefits54
Income benefits Leap
24
Adjusted annual health DALYs due to lead exposure for Bangladesh
14
Health Benefits Leap
25
Health DALYs due lead exposure per birth Bangladesh3.857142857
Ratio of Income to Health Benefits LEAP
26
Average childhood BLL Bangladesh
27
Health DALYs per child BLL
28
Average years until effects felt30
29
Health DALYs averted through intervention Bangladesh
30
Total health DALYs averted through interventions206198GiveWell Value577355.7731
31
32
33
ReachEstimate
34
Birth rate0.01674
35
Population size169,500,000
36
Number of children in Bangladesh per year2,837,430
37
Number of years the policy has a counterfactual impact8
38
Percent of children effected by program50%Units of Value GiveWell Metric3695076.948
39
Unit of value per 10000 dollar GiveWell metric65,983.52
40
Unit of Value per 10000 Dollar GiveDirectly38.4
41
CostsEstimate
How many times better is this program than GiveDirectly
1718.320753
42
Identify Sources$250,000.00
43
Governnment Workshops$10,000.00
44
Personnel Time to complete Intervention$50,000.003 people full time for 3 months
45
XRF Lead Detection$50,000.00
46
Government Costs$100,000.00
47
Personnel time continuing after intervention$100,000.00
48
49
Total$560,000.00
50
51
52
SummaryEstimate
53
Total Impact Income795,337
54
Total impact Health206,198
55
Total cost560,000
56
CEA Dollars per equivalent Daly averted0.9633632753
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100