Volatility and Welfare in a Crypto Economy

Posted: 29 Aug 2018 Last revised: 23 Aug 2021

See all articles by Fahad Saleh

Fahad Saleh

Wake Forest University - Schools of Business

Date Written: June 5, 2019

Abstract

Proof-of-Work (PoW) blockchains possess at least two undesirable characteristics: exceptional price volatility and welfare impairment. Exceptional price volatility arises because PoW implements a passive monetary policy that fails to modulate cryptocurrency demand shocks. Welfare impairment arises because PoW compensates those updating the blockchain through seigniorage while facilitating free-entry among them. This paper theoretically formalizes the aforementioned points and also examines an alternative blockchain protocol that induces low volatility and enhanced welfare. The alternative protocol generates low volatility via an active monetary policy that modulates cryptocurrency demand shocks and facilitates welfare gains by supporting cryptocurrency prices with blockchain updating expenses.

Keywords: Cryptocurrency, Blockchain, Volatility, Proof-of-Work, Stable Coin, FinTech

JEL Classification: E50, G12

Suggested Citation

Saleh, Fahad, Volatility and Welfare in a Crypto Economy (June 5, 2019). Available at SSRN: https://ssrn.com/abstract=3235467 or http://dx.doi.org/10.2139/ssrn.3235467

Fahad Saleh (Contact Author)

Wake Forest University - Schools of Business

P.O. Box 7659
Winston-Salem, NC 27109-7285
United States

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