How raising interest rates can cause inflation and currency depreciation

In this paper we derive a new model on exchange rate response to a lasting higher interest rate level. Contemporary models do not provide a convincing explanation for this relationship, but recent research suggests that models based on demand-pull effects to be somewhat confined to small funding cos...

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Main Author: Jón Helgi Egilsson
Format: Article
Language:English
Published: Taylor & Francis Group 2020-01-01
Series:Journal of Applied Economics
Subjects:
Online Access:http://dx.doi.org/10.1080/15140326.2020.1795526
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author Jón Helgi Egilsson
author_facet Jón Helgi Egilsson
author_sort Jón Helgi Egilsson
collection DOAJ
description In this paper we derive a new model on exchange rate response to a lasting higher interest rate level. Contemporary models do not provide a convincing explanation for this relationship, but recent research suggests that models based on demand-pull effects to be somewhat confined to small funding cost increases. This would make cost-push effects more relevant when the interest rate differential (IRD) is larger and longer-lasting. The new model accounts for cost-push effects and suggests that a persistent higher IRD can evoke multiple responses, including currency depreciation, specialization, inflation, and wage drift. The model suggests that excessive long-lasting IRD can spark a chronic interaction between inflation and currency depreciation. Empirical data substantiate the prediction capability of the new model. We also demonstrate how the uncovered interest rate parity (UIP) principle is a special case, which can explain its empirical research anomalies, and when carry trade is a profitable investment strategy.
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spelling doaj.art-fb995b86c3674f7293d6579b082e10f52022-12-21T19:42:10ZengTaylor & Francis GroupJournal of Applied Economics1514-03261667-67262020-01-0123145046810.1080/15140326.2020.17955261795526How raising interest rates can cause inflation and currency depreciationJón Helgi Egilsson0Faculty of Economics, University of IcelandIn this paper we derive a new model on exchange rate response to a lasting higher interest rate level. Contemporary models do not provide a convincing explanation for this relationship, but recent research suggests that models based on demand-pull effects to be somewhat confined to small funding cost increases. This would make cost-push effects more relevant when the interest rate differential (IRD) is larger and longer-lasting. The new model accounts for cost-push effects and suggests that a persistent higher IRD can evoke multiple responses, including currency depreciation, specialization, inflation, and wage drift. The model suggests that excessive long-lasting IRD can spark a chronic interaction between inflation and currency depreciation. Empirical data substantiate the prediction capability of the new model. We also demonstrate how the uncovered interest rate parity (UIP) principle is a special case, which can explain its empirical research anomalies, and when carry trade is a profitable investment strategy.http://dx.doi.org/10.1080/15140326.2020.1795526exchange rateexchange rate modelinginterest ratesinterest rate differentialirdmonetary policycontrol ratescash-in-advancecentral bank policyuncovered interest rate parityuipcarry tradefactor price equalization
spellingShingle Jón Helgi Egilsson
How raising interest rates can cause inflation and currency depreciation
Journal of Applied Economics
exchange rate
exchange rate modeling
interest rates
interest rate differential
ird
monetary policy
control rates
cash-in-advance
central bank policy
uncovered interest rate parity
uip
carry trade
factor price equalization
title How raising interest rates can cause inflation and currency depreciation
title_full How raising interest rates can cause inflation and currency depreciation
title_fullStr How raising interest rates can cause inflation and currency depreciation
title_full_unstemmed How raising interest rates can cause inflation and currency depreciation
title_short How raising interest rates can cause inflation and currency depreciation
title_sort how raising interest rates can cause inflation and currency depreciation
topic exchange rate
exchange rate modeling
interest rates
interest rate differential
ird
monetary policy
control rates
cash-in-advance
central bank policy
uncovered interest rate parity
uip
carry trade
factor price equalization
url http://dx.doi.org/10.1080/15140326.2020.1795526
work_keys_str_mv AT jonhelgiegilsson howraisinginterestratescancauseinflationandcurrencydepreciation