Economists at Colorado State University have warned the taxes may not raise enough money to pay for the state’s proposed enforcement scheme.In an April report, Colorado State’s Colorado Futures Center predicted the rates won’t make a big difference in the state budget. The forecasters used a higher rate than the one proposed to voters — a 30 percent combined sales and excise tax — and put the post-legalization price at $185 an ounce, including taxes.

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