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Testing for the uncovered interest parity condition in a small open economy: A state space modelling approach

Guna Raj Bhatta, Rabindra Nepal, Charles Harvie and Kankesu Jayanthakumaran

Journal of Asian Economics, 2022, vol. 82, issue C

Abstract: Do interest rate differentials smoothly mirror the changes in the exchange rate between a small open economy and a large emerging market economy? The literature provides conflicting views on the validity of the uncovered interest parity condition (UIP), including its size and factors influencing the risk premium. We examine the validity of the UIP condition between Nepal and India using time-series data covering the period 1989 – 2019. A state space modelling approach based on the Kalman filter analysis is applied to simulate the risk premium. We find that the UIP condition does not hold for the Nepalese Rupee. A time-varying persistent negative risk premium that dominantly explains interest rate differentials is, instead, found. These findings imply that Nepalese residents prefer to hold foreign assets and continually expect future devaluations of the domestic currency. These present obstacles to developing domestic financial markets and the implementation of a market oriented monetary policy.

Keywords: Uncovered interest parity; State Space Model; Kalman filter; Risk premium; Nepal (search for similar items in EconPapers)
JEL-codes: E43 F33 (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1016/j.asieco.2022.101525

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