"Another example regards mechanisms to manage exposure to systematic income fluctuations at the aggregate level: Kamstra and Shiller have proposed that governments issue “trills” – a perpetual security with an annual coupon that pays one-trillionth of nominal GDP. For example, in the United States, that coupon would have been set at $17.60 as of the third quarter of 2014. In theory, when income growth is strong, government can afford higher coupon payments, while lower coupons would cushion the fiscal balance when the economy falters. At the same time, owning a trill would allow pension managers both to protect their clients against inflation and to benefit from the economy’s long-term growth – including the gains in both wages and profits. And, if many governments were to issue trills – with coupons related to their national GDP – savers could easily form a globally diversified investment portfolio, providing a cheap hedge against the idiosyncratic income risks of their domestic economy. So far, however, no government has issued a trill."
Useful for the ways that it can focus the discussion of the role of the financial system.
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