It is a poor summary of a commentary piece, but even from that perspective the reader can deduce the model they are using for the purpose of determining a short

It is a poor summary of a commentary piece, but even from that perspective the reader can deduce the model they are using for the purpose of determining a short term floor. Its cited in the piece - Hayes 2018. Bitcoin price and its marginal cost of production: support for a fundamental value - https://arxiv.org/pdf/1805.07610.pdf https://arxiv.org/pdf/1805.07610.pdf