The first consultancy assignment I did was to conduct a farmer survey for an FAO Regional Programme. The initial task was for me to estimate the survey cost. I came up with a rather conservative estimate and I even left my professional fee blank. When the programme coordinator asked, I replied: “I leave it up to you to decide as I don’t know your rates and I might price myself out of the market.”
Being conservative in my budget estimate and not seemingly taking advantage of a UN organization, must have opened the door for me. I completed the survey in less than three months at a time when PCs weren’t around yet. That led to many more FAO assignments and the rest is history.
Let’s segue to the present… In our ADB-funded project, one deliverable is baseline survey results for China, Thailand and Vietnam. To achieve this, we conducted a training-workshop o n “sociological tools and decision making in planthopper management” in which a key outputs were a survey work plan and budget. The budgets submitted ranged from USD 11,000 to 15,000 for a survey of 300 rice farmers in their part of Asia.
To cut the survey cost, I developed this formula to come up with a realistic budget. Below are the key cost items in a survey and the way to calculate the costs. The illustration is that of Vietnam so take note of the units — VND means Vietnam dong for currency, Cai Lai and Cai Be are districts in Tien Giang province where the survey will be conducted. Add wages of interviewers and supervisors, supplies, transport and interviewer training and pretesting.
1) Wages of interviewers
Sample size: 1,000 (Cai Be: 600, Cai Lay: 400)
No. of interviews that can be completed/day/person: 5 to 6
1,000/6 = 167 man-days
Option 1 (hire 10 interviewers):
167 man-days/10 interviewers = 18 days/interviewer
OR
Option 2 (hire 20 interviewers)
167 man-days/20 interviewers = 9 days/interviewer
Daily wage: _____ x 18 days x 10 interviewers = __________ VND
OR
Daily wage: _____ x 9 days x 20 interviewers = __________ VND
2) Wages of survey supervisors
Estimate wages, honorarium or overtime of staff directly supervising the enumerators
3) Supplies
Number of pages of the questionnaire x 1,000 respondents = ________ pages for reproduction
Cost of reproduction per page x total number of pages = __________ VND
Interviewing kit for enumerators (ballpen, plastic envelope, clipboard, raincoat, etc.)
4) Transport
Choose the most cost-effective transport arrangement appropriate to the survey area. You might want to consider giving a lump sum transport allowance to each interviewer to minimize the hassles of collecting small receipts. Or if the survey areas are near each other, perhaps a rented van can ferry the students to their survey site.
5) Training of enumerators
No. of persons: 10 enumerators
5 staff, including driver
2 resource persons
Total: 17
Coffee break + lunch x 17 = ________ VND

















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