This study proposes a novel instrumental variable construction procedure based on international trade concentration that has a sufficiently strong first stage for exchange rate policy choice globally and applies it to revisit the causal effects of exchange rate regimes on macroeconomic outcomes....

This paper is the first to rigorously test commonly cited simplistic theories of cryptocurrency pricing, namely, cost-based model and Metcalfe's law, using causal inferences from the instrumental variables approach on block-level data for six proof-of-work coins. Positive effects of hashrate and...