Arbeitspapier

The impact of the Tobin tax in a heterogeneous agent model of the foreign exchange market

We explore possible effects of a Tobin tax on exchange rate dynamics in a heterogeneous agent model. To assess the impact of the Tobin tax in this framework, we extend the model of De Grauwe and Grimaldi (2006) by including transaction costs and perform numerical simulations. Motivated by the importance of the market microstructure, we choose to model the market as being cleared by a Walrasian auctioneer. This setting could more closely resemble the two-layered structure of foreign exchanges at daily frequency than a price impact function, which is often adopted in similar studies. We find that the Tobin tax can deliver a moderate reduction of return volatility and kurtosis. In addition, simulations indicate that the Tobin tax reduces the degree of mispricing in the time series, which is primarily achieved by eliminating long-lasting deviations from the fundamental value.

Language
Englisch

Bibliographic citation
Series: IES Working Paper ; No. 26/2015

Classification
Wirtschaft
Computational Techniques; Simulation Modeling
Expectations; Speculations
Foreign Exchange
General Financial Markets: Government Policy and Regulation
Subject
Tobin tax
foreign exchange market
agent based modeling
Walrasian auctioneer

Event
Geistige Schöpfung
(who)
Kukačka, Jiří
Staněk, Filip
Event
Veröffentlichung
(who)
Charles University in Prague, Institute of Economic Studies (IES)
(where)
Prague
(when)
2015

Handle
Last update
10.03.2025, 11:44 AM CET

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Object type

  • Arbeitspapier

Associated

  • Kukačka, Jiří
  • Staněk, Filip
  • Charles University in Prague, Institute of Economic Studies (IES)

Time of origin

  • 2015

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