Poisson
Based
Rec.
Benefits
3/
4/
2003
Based
on
Closures
from
Final
(
No
GMs)
MEAN
VALUES
POISSON
Ohio
State
Recreational
Benefits
Activity
Ohio
State
Population
in
2000
Aged
16
and
Older
Percentage
Participating
in
the
Activity
Single
Day
Trip
to
Ohio
(
from
the
NRDS)
Affected
Population
Per
Trip
Welfare
in
$
2001
Lower
Bound
Mid
Upper
Bound
Total
Lower
Bound
Benefits
in
$
2001
Total
Mid
Benefits
in
$
2001
Total
Upper
Bound
Benefits
in
$
2001
Fishing
8,790,969
10.15%
892,283
$
0.02
$
0.17
$
0.17
$
0.17
$
153,102.30
$
153,102.30
$
153,102.30
Boating
8,790,969
7.69%
676,026
$
0.00
$
0.00
$
0.00
$
0.00
$
0.00
$
0.00
$
0.00
Vewing
8,790,969
9.08%
798,220
$
0.01
$
0.11
$
0.11
$
0.11
$
88,047.29
$
88,047.29
$
88,047.29
Swimming
8,790,969
9.08%
798,220
$
0.01
$
0.01
$
0.01
$
0.01
$
9,783.03
$
9,783.03
$
9,783.03
Total
Recreational
Benefit
$
250,932.62
$
250,932.62
$
250,932.62
Low
(
50%)
Mid
(
50%)
High
(
50%)
Non­
Use
Values
$
125,466.31
$
125,466.31
$
125,466.31
TOTAL
BENEFITS
$
376,398.93
$
376,398.93
$
376,398.93
Poisson
approach.
Uses
only
participants;
the
estimated
poisson
model
determines
the
basline
and
post
compliance
number
of
trips.
The
estimated
number
of
trips
is
then
multiplied
by
the
per
trip
value
estimated.
$
1993
Seasonal
Welfare
Values
Per
Trip
Value
in
$
1993
Activity
Lower
Upper
Fishing
0.14
0.14
0.014
MEAN
VALUES
USED
Boating
0
0
0
Viewing
0.09
0.09
0.01
Swimming
0.01
0.01
0.01
CPI
based
adjustment
factor
for
1993
to
2001
1.225606
Seasonal
Welfare
Range
(
in
$
2001)
Recreational
Benefits
Range
rum_
ben
(
Final
No
GMs
11_
29_
02).
xls
