Table 15 shows a comparison of WTP estimates for Central and 

 Pacific Flyway trips as well as for first and last trips of the 

 season. Waterfowl hunting trips to the Central Flyway were 

 valued higher than those to the Pacific Flyway (187.71 vs. 139.68 

 respectively) . No such clear cut difference could be found, 

 however, between first and last trips of the season (171.08 vs. 

 165.23 respectively). Table 16 shows an initial comparison 

 between the aggregated current trip values and the estimated 

 values for hypothetically improved and hypothetical ly diminished 

 trips. Both hypothetical trip values are lower than the current 

 trip value of 167.88. The improved trip scenario shows a value 

 which is slightly lower (151.36) while the diminished trip shows 

 a value which is significantly lower (112.72). 



In order to give meaning to the relationships presented in Tables 

 14-16 a statistical comparison of the truncated mean values was 

 done. The results of this comparison are shown in Table 17. Of 

 the four comparisons made in this analysis (resident vs. 

 nonresidents, Central vs. Pacific, first trip vs. last trip, and 

 changed conditions vs. current conditions) in three cases there 

 proved to be significant differences between the estimated mean 

 per trip values. Nonresident current trip values, as expected, 

 were significantly higher than resident values; Trips to the 

 Central Flyway were valued significantly higher than those to the 

 Pacific Flyway; Trips with hypothetically diminished conditions 

 were valued significantly lower than the current conditions trips 

 as well as the improved conditions trips. The estimated mean 

 values for first and last trips were not significantly different. 

 Likewise, there was no statistical difference between current 

 conditions trips and hypothetically improved conditions trips. 



In an effort to further examine the possible difference between 

 early and late season trips, the date of the current trip was 

 analyzed and responses were divided into two groups: those 

 respondents asked about their first trip whose trip date was 

 before 11/01/89 and those asked about their last trip whose trip 

 date was after 12/01/89. This clear division of early and late 

 trips was examined because a large number of respondents (nearly 

 33%) made only one hunting trip for the year and thus their 

 responses to first or last trip questions could not be expected 

 to fall neatly into early and late season categories. Analysis 

 of this new breakdown of early and late trips showed that while 

 differences in current trip values were more marked than for the 

 first and last trip analysis, there was still no statistical 

 difference at the 90% level of significance between the estimated 

 logit means. 



26 



