Blockchain scaling and liquidity concentration on decentralized exchanges

Basile Caparros, Amit Chaudhary and Olga Klein

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Abstract: Liquidity providers (LPs) on decentralized exchanges (DEXs) can protect themselves from adverse selection risk by updating their positions more frequently. However, repositioning is costly, because LPs have to pay gas fees for each update. We analyze the causal relation between repositioning and liquidity concentration around the market price, using the entry of blockchain scaling solutions, Arbitrum and Polygon, as our instruments. Lower gas fees on scaling solutions allow LPs to update more frequently than on Ethereum. Our results demonstrate that higher repositioning intensity and precision lead to greater liquidity concentration, which benefits small trades by reducing their slippage.

Date: 2023-06, Revised 2024-03
New Economics Papers: this item is included in nep-mst and nep-pay
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