Fifteen states have implemented PACE programs, which float bonds that pay for home efficiency upgrades that homeowners pay back through their property taxes.

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Critics carp that we would have to float bonds to help pay Social Security beneficiaries during the long transition to a more private system.

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Thus, during the era of commodity money in England, lenders were willing to float bonds (consols) without any redemption dates, and interest rates remained relatively low and stable.

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