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Antoine Le Riche and Francesco Magris
''Decreasing Transaction Costs and Endogenous Fluctuations in a Monetary Model''
( 2016, Vol. 36 No.4 )
We study an infinite horizon economy with a representative agent whose utility function includes consumption, real balances and leisure. Real balances enter the utility function pre-multiplied by a parameter reflecting the inverse of the degree of financial market imperfection, i.e. the inverse of the transaction costs justifying a positively valued fiat money. Indeterminacy arises both through a transcritical and a flip bifurcation: somewhat paradoxically, the amplitude of the indeterminacy region improves as soon as the degree of market imperfection is set lower and lower. Such results are robust with respect to the choice for the elasticity of the labor supply, both when the latter is set close to zero and to infinite. We also provide conditions for the existence, uniqueness and multiplicity of the steady states and finally, we asses the impact of the degree of market imperfection on the occurrence of such phenomena
Keywords: Bifurcations; Indeterminacy; Market Imperfections; Money Demand
JEL: E3 - Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data)
E4 - Money and Interest Rates: General
Manuscript Received : Jul 01 2016 Manuscript Accepted : Dec 10 2016

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