The Dynamic Properties of Financial‐Market Equilibrium with Trading Fees

The Dynamic Properties of Financial‐Market Equilibrium with Trading Fees

  • ADRIAN BUSS
  • BERNARD DUMAS

Article first published online: 13th December 2018 DOI: 10.1111/jofi.12744

Abstract


We incorporate trading fees into a dynamic, multiagent general‐equilibrium model in which traders optimally decide when to trade. For that purpose, we propose an innovative algorithm that synchronizes the traders. Securities prices are not so much affected by the payment of the fees itself, but rather by the trade‐off that the traders face between smoothing consumption and smoothing holdings. In calibrated examples, the interest rate and welfare decline with trading fees, while risk premia and volatilities increase. Liquidity risk and expected liquidity are priced, leading to deviations from the consumption‐CAPM. With trading fees, capital is slow‐moving, generating slow price reversal.

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