High interest rate currencies tend to appreciate despite what is be implied by the uncovered interest parity. It is thought that the uncovered interest parity does not hold due to various risks, costs, liquidity issues, and monetary policies. There have been extensive studies into the cause of this phenomenon yet none have examined the period before the formation of the Federal Reserve in 1913. This study examines whether or not the uncovered interest parity holds between the UK, the US, France, Germany, the Netherlands, Belgium, Italy, Spain, and Portugal during this time period to determine if the absence of capital controls and monetary policies allow for the uncovered interest parity to hold. In the end, none of the 213 regressions testing all the country pairs across varying horizons came close to providing support for the uncovered interest parity.

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A large literature has related the failure of interest rate parity in the foreign exchange market to the existence of a time-varying risk premium. Nevertheless, most modern open economy DSGE models imply a (near) perfect interest rate parity condition. This paper presents a stylized two-country incomplete-markets model in which countries have strong precautionary motives because they face international liquidity constraints, the presence of which successfully generates a time-varying risk premium: the country that has accumulated debt after experiencing relative worse times has stronger precautionary motives and its asset carries a risk premium. (author's abstract) / Series: Department of Economics Working Paper Series

This paper aims to explain the current account imbalances between the United States of America, Japan and China. According to theory, such imbalances should offset each other so that the international balance of payments account is zero. The study also tests the Uncovered Interest Rate Parity (UIP) theory for the same sample of countries. The focus is on the empirics of the topic, therefore time-series analysis is used. The results suggest that American current account deficit can indeed be explained by the surpluses of the Japanese and Chinese current accounts. Furthermore, the conclusion regarding the UIP is that it simply does not hold in the real world. Finally, the main implication of this study is that the Asian countries will eventually buy up American assets if the trend of imbalances continues.

[pt] O presente trabalho visa verificar a operação de carry trade. A lucratividade desta operação é observada quando a diferença de taxa de juros entre os dois países em análise é maior que a variação cambial do período. A verificação da operação, conforme literatura do tema, é realizada através do modelo de paridade descoberta de taxa de juros (PDTJ). A rejeição do modelo, vista através de regressão, possibilita a aceitação da lucratividade da operação. Este estudo, portanto, analisa esta operação entre o Brasil, país de alta taxa de juros e Estados Unidos, país de baixa taxa de juros. Ademais, o estudo visa analisar a operação em um momento de instabilidade econômica, período de 2005 a 2016, no qual consta a crise de 2008 que impactou fortemente as duas economias. / [en] The present work aims to check the carry trade operation. The profitability of this operation is observed when the interest rate difference between the two countries under analysis is greater than the exchange variation for the same period. The literature of carry trade is verified through the uncovered interest rate parity model (UIP). Rejection of the model, performed through regression, makes it possible to accept the profitability of the operation. This study, therefore, analyzes this operation between Brazil, a country with high interest rates and the United States, a country with low interest rates. In addition, the study aims to analyze the operation in a time of economic instability, from 2005 to2016, which includes the crisis of 2008 that strongly impacted the two economies.

Primary objective of this thesis was to analyse the relationship between exchange rate and interest rate within borders of a small open economy. Different theoretical approaches often present us with various, sometimes even opposing conclusions when it comes to the matter of direction and intensity of the causal influence between these two variables. From author's point of view it is important to perceive the interaction between exchange rate and interest rate as a dynamic process rather than a static relationship. The empirical analysis was conducted on monthly time series (2000-2012) of three selected small open economies -- Poland, Hungary and Czech Republic. Graphical analysis, linear regression, vector autoregression and cointegration analysis were selected as suitable tools for meeting the objective of this thesis. Models themselves presented us with interesting conclusions, for example a proof of the international Fisher effect, exchange rate causally affecting the interest rate (interest rate differential) in case of spot rates against euro. Another curious phenomena was the inflow of foreign debt capital, which, as it seems, was actually pulling the exchange rate down rather than pushing it up due to rising indebtedness of the economy.

Ett flertal teorier försöker förklara de starka fluktuationer växelkurser under rörlig regim uppvisar vid monetära policychocker. En av dessa teorier, Rüdiger Dornbusch:s överreaktionsmodell, menar att fluktuationer kan förklaras av skillnader i den tid varurespektive kapitalmarknaden behöver för att anpassa sig till det förändrade penningutbudet. Denna studie avser utreda modellens empiriska förklaringsförmåga genom att applicera den på fallet Schweiz 2015, där en stor och oväntad centralbanksåtgärd skapade kraftiga reaktioner på valutamarknaden. Genom ett t-test testas den potentiella överreaktionens signifikans. T-statistikan påvisar starkt stöd för att växelkursen rör sig i enlighet med Dornbusch:s modell. Diverse känslighetstester genomförs, om vilket samtliga vidimerar resultaten.

The thesis examine if the uncovered interest rate parity holds over a 10 year period between Japan and Australia/Norway/USA. The data is collected between February 2001 - December 2010 and is used to, through regression and correlation analysis, explain if the theory holds or not. In the thesis it is also included a simulated portfolio that shows how a carry trading strategy could have been exercised and proof is shown that you can indeed profit as an investor on this kind of trades with low risk. The thesis shows in the end that the theory of uncovered interest rate parity does not hold in the long term and that some opportunities for profits with low risk do exist. / Uppsatsen undersöker om det icke kurssäkrade ränteparitetsvilkoret har hållit på en 10-års period mellan Japan och Australien/Norge/USA. Månadsdata från februari 2001 till december 2010 används för att genom regressionsanalys samt undersökning av korrelationer se om sambandet håller eller inte. I studien finns också en simulerad portfölj som visar hur en carry trading portfölj kan ha sett ut under den undersökta tidsperioden och hur man kan profitera på denna typ av handel med låg risk. Studien visar i slutet att teorin om det kursosäkrade ränteparitetsvilkoret inte håller i det långa loppet och att vissa möjligheter till vinst existerar.

International Fisher Effect (IFE) is a theory in international finance which asserts that the spot exchange rate between countries should move in opposite direction with the interest rate differential between these countries. The aim of this thesis is to analyze whether differences in nominal interest rates between countries and the movement of spot exchange rates between their currencies tend to move together over the long run. The presence of IFE is tested among the G-5 countries and Turkey for the period from 1985:1 to 2007:12. The long run relationship is estimated with the Johansen co-integration method and supportive evidence is found for all country pairs. Individually modeled equations are further tested with the Dynamic SUR method. Those DSUR equations that include the Turkish currency provide supportive evidence for IFE that higher interest rates in favor of Turkey would cause depreciation of the Turkish Lira. The magnitude of the effect is found to be lower than expected which indicates that there might be other factors in economy, such as inflation rates, that affect the exchange rate movements.