Exchange rate policy and the role of non-traded goods prices in real exchange rate fluctuations

2017 ◽  
Vol 17 (2) ◽  
Author(s):  
Nestor Azcona

AbstractThis paper uses a DSGE model of two small open economies to explain certain features of real exchange rate cyclical fluctuations in countries with fixed and flexible exchange rates, focusing on the role of traded and non-traded goods prices. In particular, the model illustrates why the relative price of non-traded goods and the relative price between domestic and foreign traded goods are more volatile than the real exchange rate under a fixed exchange rate but not under a flexible exchange rate, why deviations from purchasing power parity for traded goods prices can be more volatile under a fixed exchange rate than under a flexible exchange rate, and why there is no correlation between the volatility of the real exchange rate and its variance decomposition.

2021 ◽  
Vol 13 (1) ◽  
Author(s):  
Oleg Itskhoki

The real exchange rate (RER) measures relative price levels across countries, capturing deviations from purchasing power parity (PPP). RER is a key variable in international macroeconomic models as it is central to equilibrium conditions in both goods and asset markets. It is also one of the most starkly behaving variables empirically, tightly comoving with the nominal exchange rate and virtually uncorrelated with most other macroeconomic variables, nominal or real. This review lays out an equilibrium framework of RER determination, focusing separately on each building block and discussing corresponding empirical evidence. We emphasize home bias and incomplete pass-through into prices with expenditure switching and goods market clearing, imperfect international risk sharing, country budget constraint, and monetary policy regime. We show that RER is inherently a general equilibrium variable that depends on the full model structure and policy regime, and therefore partial theories like PPP are insufficient to explain it. We also discuss issues of stationarity and predictability of exchange rates. Expected final online publication date for the Annual Review of Economics, Volume 13 is August 2021. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.


2020 ◽  
Vol 130 (630) ◽  
pp. 1715-1728 ◽  
Author(s):  
Torfinn Harding ◽  
Radoslaw Stefanski ◽  
Gerhard Toews

Abstract We estimate the effect of giant oil and gas discoveries on bilateral real exchange rates. A giant discovery with the value of 10% of a country’s GDP appreciates the real exchange rate by 1.5% within ten years following the discovery. The appreciation starts before production begins and the non-traded component of the real exchange rate drives the appreciation. Labour reallocates from the traded goods sector to the non-traded goods sector, leading to changes in labour productivity. These findings provide direct evidence on the channels central to the theories of the Dutch disease and the Balassa–Samuelson effect.


2021 ◽  
Vol 9 (2) ◽  
pp. 253-269
Author(s):  
Florencia Médici ◽  
Augustín Mario ◽  
Alejandro Fiorito

This study provides new evidence showing that the real exchange rate (RER) does not play an important role in the growth of Mexican GDP. Economic growth is not an automatically predetermined result of relative price correction, and it is important to consider distinctive aspects of national institutional arrangements (fiscal and monetary, for example) for understanding theoretical causality of demand. The empirical results show public expenditure is an overlooked variable in regressions where the exchange rate affects product growth. After incorporating public expenditure, the RER impact on growth becomes insignificant. For its part, public expenditure has a positive and significant effect on GDP in the long term. The RER does not lead to greater GDP since exports are not stimulated through price.


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