10. Not buying books hampers the sale of reading glasses and investment stocks.
9. Not buying cable television increases demand for prenatal care.
8. Not buying little black dresses decreases the sale of flowers and candy.
7. Not buying carbon set-offs decreases demand for architects near Al Gore’s mansion.
6. Not buying soap increases the demand for an “Occupy” movement (while the empirical data supports this conclusion I concede the mechanism of causation has yet to be determined).
5. Men not buying whiskey affects the fiscal health of battered women shelters.
4. Not buying an American car increases the campaign contributions from unions to bailout friendly congresspersons, in turn raising union dues and ultimately the price of both American cars and income taxes.
3. Women not buying one last apple-tini diminishes the sale of replacement garments.
2. Not buying an X-Box diminishes carpentry in the basements of the parents of Generation Y.
1. Not buying lessons on how to shoot craps decreases purchases of traditional Indian headgear.
If not buying insurance affects interstate commerce by altering the price of medicine and insurance for those who do, then any other non-purchase can also be said to affect some market price somewhere as well.
Can you imagine what laws will come from Congress should the Supreme Court green light the regulation of inactivity? The lengths they will travel to make connections from inactivity to an affect on interstate commerce will make the above tongue-in-cheek list a reality.