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Credit and inflation under borrower’s lack of commitment

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  • Antonia Diaz

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  • Fernando Perera-Tallo

Abstract

Here we investigate the existence of credit in a cash-in-advance economy where there are complete markets but for the fact that agents cannot commit to repay their debts. Defectors are banned from the credit market but they can use money balances for saving purposes. Without uncertainty, deflation crowds out credit completely. The equilibrium allocation, however, is efficient if the government deflates at the time preference rate. Efficiency can also be restored with positive inflation. For any non negative inflation rate below the optimal level, the volume of credit and the real interest rate increase with inflation. Our results hold when idiosyncratic uncertainty is introduced and households are sufficiently impatient but in one instance: efficiency cannot be restored if the deflation rate is nearby the rate of time preference. Our numerical examples suggest that the optimal inflation rate is not too large for reasonable levels of patience and risk aversion. Finally, we present a framework where the use of money arises endogenously and show that it is tantamount to our cash-in-advance framework. Our results hold in this modified environment.

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Bibliographic Info

Paper provided by Universidad Carlos III, Departamento de Economía in its series Economics Working Papers with number we077946.

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Date of creation: Nov 2007
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Handle: RePEc:cte:werepe:we077946

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  1. Bhattacharya, Joydeep & Haslag, Joseph & Martin, Antoine, 2004. "Heterogeneity, Redistribution, and the Friedman Rule," Staff General Research Papers 11371, Iowa State University, Department of Economics.
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Cited by:
  1. Aleksander Berentsen & Christopher J. Waller, 2009. "Outside versus inside bonds: a Modigliani-Miller type result for liquidity constrained economies," Working Papers 2009-056, Federal Reserve Bank of St. Louis.
  2. Aleksander Berentsen & Christopher Waller, 2008. "Outside Versus Inside Bonds," IEW - Working Papers 372, Institute for Empirical Research in Economics - University of Zurich.
  3. Rojas-Breu, M., 2011. "Debt enforcement and the return on money," Working papers 345, Banque de France.
  4. Rojas Breu, Mariana, 2012. "Debt enforcement and the return on money," Economics Papers from University Paris Dauphine 123456789/9608, Paris Dauphine University.
  5. Lizarazo, Sandra & Da-Rocha, Jose-Maria, 2011. "Optimal monetary policy and default," MPRA Paper 31931, University Library of Munich, Germany.

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