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Table 1 Percentage of no-responses by bid

From: Impact of environmental and social attitudes, and family concerns on willingness to pay for improved air quality: a contingent valuation application in Mexico City

 

Bids in 2008 US dollarsa

7.5

12.5

25

37.5

50

57.5

62.5

75

87.5

Respondents

180

165

145

146

192

175

188

179

171

%no-responses

10.5

4.9

0.0

15.0

15.7

20.0

17.6

23.5

31.6

  1. aBids are randomly assigned to respondents