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 The
primary required input for the models is the number of boats with
different types and sizes. The model applies national or regional
averages for (1) the number of days the boats are used, (2) annual
spending per boat on storage, accessories, insurance and other
craft-related expenses and (3) the average spending per day of
boaters on boating trips for meals, fuel, and other items. When
reliable local spending and boating activity estimates are available,
the default averages built into the model may be modified to fit
a particular local application. For example, in the case of a
marina, the marina's actual slip or storage fees can be substituted
for the regional averages.
The boating economic impact model uses distinct spending profiles
for different types of boats. The model estimates annual craft-related
spending in eight categories and trip spending in ten categories.
Employment and income effects are reported for a dozen economic
sectors.
Economic impacts are estimated by applying
the spending estimates to a set of multipliers representing the
structure of the local region where a marina or boat access/launch
site is located. Users must select the type of region that best
represents the local area where the marina or boating access/launch
site is located. Users can select from among these three regions:
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1. Rural areas with populations
less than 100,000
2. Smaller metropolitan areas with populations of 100,000
- 500,000
3. Larger metropolitan regions with populations over 500,000 |
Multipliers come from input-output
models of local economies estimated with the IMPLAN regional economic
modeling system. The multipliers convert boater trip and craft
spending in different sectors of the economy into the associated
jobs,
income, and
value added in boat-related and tourism-related businesses.
Multipliers also estimate the indirect and induced effects as
boater spending flows throughout the local economy.
Spending averages in the model are
based on the findings of two national boater surveys conducted
in December 2005 and during the 2006 boating season. The surveys
were conducted by the
Recreation Marine Research Center. One survey of 12,000 boaters
collected annual days of use and craft related spending. The other
survey collected detailed information about spending on more than
8,000 boating trips. You can view these two Web-based surveys
at these two links: (coming soon). The spending profiles will
be updated in 2008 using various price indices.
This model was developed by Drs Ed Mahoney (mahoneye@msu.edu) , Dan Stynes (stynes@msu.edu) and Yue Cui (cuiyue@msu.edu), Recreation Marine Research, Michigan State University with support provided by the Association of Marina Industries, Great Lakes Commission, U.S. Coast Guard and the National Marine Manufacturers Association. If you have any questions concerning the model please contact us.
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