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(THE CONVERSATION) Consumers don’t seem to mind paying sales taxes on things like food and clothing. Marijuana may be a different story.

As marijuana taxes are imposed in more states, many recreational marijuana users might cross interstate borders to avoid them or even hoard stocks of weed in anticipation of them. If state governments don’t adjust to such behavior, it will reduce revenue and most likely increase overall marijuana consumption.

Not many states have studied the implications of pot taxes on consumer behavior. Sowedid.

I’m a Ph.D. student of public policy, and my colleagues and I studied data from marijuana users in Oregon.

We wanted to see what the economic consequences of marijuana taxes are on this billion-dollar industry. Also, we wanted to help local governments to understand them – at a time when states are increasingly relying on these new sources of revenue to pay for education, health and law enforcement.

Changing consumer behavior

Although marijuana is considered a Schedule I controlled substance by the U.S. government, meaning the drug has a high potential for abuse and is illegal to possess, 10 states and the District of Columbia have legalized the possession or sale of recreational marijuana.

As of 2019, 33 states have permitted medical marijuana or decriminalized marijuana possession, and most Americans support legalization.

Each state with a legalized market has imposed a tax on marijuana transactions. Starting on Jan. 4, 2016, Oregon officials levied a 25% tax on recreational marijuana, which generated US$60.2 million in tax revenue that year alone.

Research suggests that taxes – particularly taxes on substances or activities considered harmful, such as gambling, alcoholic beverages or sugary soft drinks – alter consumer behavior.

If consumers foresee tax changes, they may purchase and store large quantities before implementation of a tax. This may lower overall revenue raised by the product temporarily until consumers use their stores.

Cross-border purchasing is likely to be a more permanent issue regarding marijuana taxation, especially in states like Oregon, where large population centers are located near borders of other states that have also legalized marijuana sales – making it easy to avoid taxes with a quick road trip.

Many people shifted to untaxed medical marijuana immediately after marijuana legalization passed in Oregon as you can see by the rise of medical marijuana applications post-taxation. Medical marijuana patients may also buy untaxed marijuana for friends and family, further cutting into the revenue raised.

What comes next

So what can public officials do?

One solution is to coordinate tax rates across states to avoid cross-border purchasing.

Our study also suggests that health officials need to work around medical marijuana users who circumvent taxes faced by recreational users. Connecting dispensaries electronically and making the purchasing cards computer-readable to keep track of marijuana sales could help cut down on this practice.

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This article is republished from The Conversation under a Creative Commons license. Read the original article here: http://theconversation.com/its-high-time-someone-studied-marijuana-taxes-so-we-did-123059.