End-user preferences for and usage of competing POU ... - Aquaya

Two papers:Kenya: Environmental Science andTechnology 2010, 44, 4426-4432Bangladesh: in preparation

This is NOT a talk on health outcomesThis IS a talk on consumer preferenceand product usage at the BoPWe cycled low–income householdsthrough two-month POU productrotations to measure their preference,usage, and willingness-to-pay

Study PopulationsSubsistence farmers,western KenyaSlumdwellers, Mirpur,Dhaka, Bangladesh

Products - Kenya! "# $

Products - Bangladesh

Experimental Design - KenyaBaseline SurveyIntroduction of Competing POU ProductsParticipant ranking of optionsRandom Assignment of POU ProductsSurveysequence:(Baseline)Spot CheckFollowup 1Spot CheckFollowup 2Spot CheckFollowup 3133 HHs 134 HHs 133 HHsPUR Waterguard Ceramic Filter2 mos2 mos2 mosWaterguard Ceramic Filter PUR2 mos2 mos2 mosCeramic Filter PUR Waterguard2 mos2 mos2 mosPreference survey, willingness-to-pay assessment400 HHsAttrition370 HHs

Experimental Design - BangladeshBaseline SurveyIntroduction of Competing POU ProductsParticipant ranking of optionsRandom Assignment of POU ProductsSurvey sequence:150 HHs 150 HHs 150 HHs 150 HHs200 HHs800 HHs(Baseline)Spot CheckFollowup 1Spot CheckFollowup 2Spot CheckFollowup 3Spot CheckP2 mosWG2 mosF2 mosAT2 mosWG2 mosF2 mosAT2 mosF2 mosAT2 mosP2 mosWGAT2 mosP2 mosWG2 mosPF2 mos 2 mos 2 mosControls(no products,but visits forWQ testingand WTPassessment)AttritionFollowup 4Preference survey, willingness-to-pay assessment755 HHs

Self reported usage: Kenya > BangladeshFilter wins in Bangladesh, close call in Kenya!"#$%&'()*+,-."+/'"%&(0)/"'12$%)2*#0+34;34?@ !&,%+"*AB2#%#C*

)%"0#*12314355,36789:301+*;3).7=??3@ASafety as a function of usage: higher unrealizedpotential in Bangladesh than in Kenya ?:J?:I?:H?:G?:F?:E?:=!"#")%*!"#"$(!"#"$%& !"#"$'( !"#"$%(B++3P1',$P1+(,OK$+4L%$M1%#$(3',$%,312+NO!"#")$+Q"2&+"($,P!"#")+&!"#"$'' !"#",%+!"#$%&'"%( -./ )*+#$%, BC'"#"D, >12#%1+,!"#$%&'"%( -./ )*+#$%,!"#"%')!"#"'+( !"#"%-% !"#"%-&BC'"#"D,R$2N"!"#")**(Low turbidity water only)!"#"%),

Bangladesh: Demand Curve(chemicals only)ATWGPURKremer et al. (Kenya)Method: Becker-deGroot-Marschak Auction

Bangladesh: what will you pay? (filter)FilterMethod: Becker-deGroot-Marschak Auction

Kenya: rainwater is good!"##$%&'()$)*()*+(',-%!"#!$%&''*.'".)%/$)/0'1$)/%'()-%/0'*.')2/'2-#/'34567899'#:;!"#$ %&'("#$) !"*+#$ ,-#. /01 23 /2 /456#+$7#-"6 /23 /8 33 09:"#6-;.#$ 833 82 //9 3046+?@?>.6+$A> ::4 355 /53 29!"##$%&'()$)*()*+(',-%')"%

Thank You – Field Teams

Thank You – FundersP&G Fund of the Greater CincinnatiFoundationSwedish Development Agency (SIDA)Blum Center for Developing Economies,UC Berkeley

Kenya: what do you like?