Using the monthly data between 1999 and 2007 in Taiwan, we examine the relationship of exchange rate, trade and capital flow in this paper. Granger causality test and impulse response from vector autoregressive model are employed to obtain the short-run dynamics among the variables, and Johansen cointegration test and error correction model are applied to study the long-run equilibrium. This paper reconfirms the J-curve effect in the short run and the validity of Marshall-Lerner condition in the long run. Our results also show the negative correlation of capital flow and the nominal effective exchange rate. Limited by the slow adjustment speed of trade balance, exchange rate and capital flow are the major drives back to equilibrium when the system deviates from the long-run equilibrium. Further, the capital flow variables are the leading indicators of the others in the most cases. However, different capital flow variables induce different patterns of dynamics in the short-run.

My dissertation studies various questions falling into the broad context of macroeconomics and international economics. The questions have macroeconomic components because they are concerned with the behavior of aggregates. Specifically, the second and third chapters of my dissertation study the causes of fluctuations in aggregate macroeconomic variables and the way policy can be coordinated internationally to reduce these fluctuations, respectively. In addition, chapters III and IV address questions that fall into the realm of international economics. They are concerned with the optimal exchange rate regime between two countries, the consequences of partial exchange rate pass-through and the effect of an increase in vertical Foreign Direct Investment (FDI) by domestic firms. The framework of my analysis is given by different versions of general equilibrium models. The second chapter of my dissertation decomposes fluctuations in aggregate observables for the UK economy during the 1980s recession. Using a modern accounting procedure, I estimate parameters that describe the economy using annual data from 1970 to 2002. Then, I simulate different versions of the model to find the distortions that are essential in driving the observed fluctuations. I find labor market distortions to be crucial in accounting for the episode, suggesting that the policies of the time were well targeted and effective. The third chapter of my dissertation studies policy coordination in a two-country framework allowing for partial pass-through. In particular, both countries are assumed to have monetary and fiscal stabilization instruments available. The optimal setting of these instruments under differing pass-through regimes is analytically derived. Fiscal policy is found to be used in a counter-cyclical fashion. In addition, the magnitude of fiscal stabilization is the largest when pass-through is partial. In the fourth chapter, I study the consequences of vertical FDI on aggregate productivity and welfare. The framework allows for heterogeneity across firms in two dimensions. It is firms that are at a disadvantage with respect to manufacturing costs that are benefiting most from moving their production process abroad. Overall, the ability to engage in vertical FDI increases productivity, lowers prices and thus increases welfare.

The main purpose of this thesis is to explore whether the Balassa-Samuelson hypothesis can effectively explain the long-term change of the real exchange. The recent panel unit root, panel cointegration tests and fully modified OLS are applied to examine the four tested equations that are based on the Balassa-Samuelson hypothesis. 1. Relative differential productivity between traded and non-traded sectors influences price differential in two sectors. 2. We extend the relative productivity in non-traded and traded sectors causing change in non-traded relative price into the two-country model. 3. The appreciation (depreciation) of the real exchange results from the different relative price of the two-country model. 4. The appreciation (depreciation) of the real exchange is caused by the different relative productivity of the two-country model. The data span is from 1971 to 1995, and includes 12 OECD countries. There are three main different points from the existing literatures. 1. We apply some newly developed panel unit root tests to estimate the equations based on Balassa-Samuelson hypothesis. 2. The previous documents only estimated the model of one variable, but the estimation of two variables was rare. In the equation 14 and 15, we examined the two variables in both. 3. In the calculation of the price, owing to the difficulties of collecting data from various sectors, we use a special way to measure the price. Finally, we can observe from the results of the empirical study: when productivity of the domestic sectors differentiates, that is, 1% increase in relative productivity between traded and non-trade sectors causes 0.53% increase in domestic relative prices. When it is taken into the two-country model, the increase of productivity will cause the appreciation of the real exchange rate. This can explain why in the developed countries like the U.S. and Japan, the faster increase in domestic relative productivity causes the appreciation of real exchange rates in the long run.

The main purpose of this thesis is to explore whether the Balassa-Samuelson hypothesis can effectively explain the long-term change of the real exchange. The recent panel unit root, panel cointegration tests and fully modified OLS are applied to examine the four tested equations that are based on the Balassa-Samuelson hypothesis. The data span is from 1985 to 2002, and includes 7 east asian countries. 1. Relative differential productivity between traded and non-traded sectors influences price differential in two sectors. 2. We extend the relative productivity in non-traded and traded sectors causing change in non-traded relative price into the two-country model. 3. The appreciation (depreciation) of the real exchange results from the different relative price of the two-country model. 4. The appreciation (depreciation) of the real exchange is caused by the different relative productivity of the two-country model. Finally, we can observe from the results of the empirical study: when productivity of the domestic sectors differentiates, that is, 1% increase in relative productivity between traded and non-trade sectors causes 0.28% increase in domestic relative prices. When it is taken into the two-country model, the increase of productivity will cause the appreciation of the real exchange rate.

Financial markets have become increasingly integrated, both domestically and internationally. Asset prices react to other asset price shocks both within and across asset classes. This paper presents a framework for analyzing the degree of financial transmission between money, bond and equity markets and exchange rates within and between the United States and Taiwan. The empirical model concentrates on monthly return over an 11-year period of 1995-2005 for seven asset prices: short-term interest rates, bond yield and equity market returns in both economies, as well as the exchange rate. The results are as followed: First, Johansen cointegration test indicates that there is one cointegrating equation between seven variables. This finding means that there is a long-run equilibrium relationship among the variables. Second, the error correction terms of the US short-term and long-term interest rates, Taiwan short-term interest rate and exchange rate are significant at the 95% level in the Vector Error Correction Model. The deviation from long-run equilibrium is corrected gradually through a series of partial short-run adjustments. The third key result of the paper is that there is a feedback relationship between the US short-term interest rate and equity market return by using the Granger Causality test. Also, the US short-term and long-term interest rates Granger-cause Taiwan short-term interest rates. This result underline that the US financial markets are the main driver of global financial markets.

With the liberalization of financial market, the prevalence of international trade and the prosperity of foreign exchange markets ,investors could hedge,speculate or interest arbitrage in markets. Therefore, market efficiency is worthy of investigation and analysis on the international finance extensively. According to simple market efficiency hypothesis, there would be a long-run relationship between spot exchange rate and forward exchange rate if the foreign exchange market is efficient. Under the circumstance, this study firstly tries to examine whether there is a long-run relationship or not between spot exchange rate and forward exchange rate by Linear Cointegration Theory. At the same time, the study tests Simple Market Efficiency Hypothesis is correct or not in practice. Next,in a non-linear threshold cointegrational way, it looks into whether there is an apparent threshold effect or not among variables, and the adjusting behavior in the long-run equilibrium process. The result of the study proves that there are an apparent threshold effect and inconsistent behaviors in the long-run equilibrium process.

In this study, different from previous studies, the explanatory power of Student-t distribution is compared to normal distribution by employing both standard GARCH and EGARCH models to dollar/ lira (USD/TRY) exchange rate. Then the impact of Central Bank of Republic of the Turkey&rsquo / s (CBRT) decisions and actions on both the level of exchange rate and the volatility is investigated. Moreover the relationship between volatility and market liquidity is examined using spot foreign exchange (FX) market volume as a proxy. The results reveal that, in contrast to preceding findings, Student-t could not capture the leptokurtic property better than normal distribution does. Furthermore, an increase in Turkish government benchmark bond rates, CBRT FX purchase interventions and announcement of suspending/ decreasing-the-amount-of FX auctions lead Turkish lira to depreciate. Because of the significant positive leverage effect, the results of GARCH and EGARCH variance equations differ so much. Thereby the results should be evaluated cautiously. In addition it is observed that, only EGARCH model gives significant results when the spot market trading volume is included in the models

In this thesis, effects of economic crises after 1990 on the Turkish insurance sector are analyzed with special emphasis on 1994, 2001 and 2008 crises. In the first step, EGARCH model is used to measure the exchange rate uncertainty. Then, a time series model for the aggregate analysis and a panel data model for the disaggregate analysis which both include the estimated exchange rate uncertainty together with other macroeconomic and firm specific variables are set up. The results indicate that aggregate and disaggregate analyses suggest different variables in explaining the premium production which is used as a proxy for the performance of the insurance sector. Nevertheless, the common conclusion was that the growth of premium production decelerates during the crisis periods at a varying degree depending on the year of crisis. 2001 crisis is found to be the crisis which has the most detrimental impact on the Turkish insurance sector. On the other hand, effects of the 2008 crisis are found to be relatively limited.

This thesis examines the relationship between the bilateral real exchange rate and the trade balances of 20 industries in which majority of the trade between Turkey and her leading partner Germany is carried out, both for the short and long run, in search of the existence of any J-curve effect. Using quarterly data over the period 1989:1-2011:3, the relationship is analyzed empirically through the bounds testing approach to cointegration and error correction modeling. The findings show that, although the pattern created by a depreciation does not follow the compl ete J curve in any of the industries, still the exchange rate as well as foreign and domestic real incomes are effective determinants of bilateral trade balance between Turkey and Germany in majority of the cases both in the short and in the long run. Moreover, this thesis provides strong support for the assertion that at the disaggregate level industries exhibit unique and distinct trade balance responses to exchange rate fluctuations, by showing that these responses vary significantly across different sectors both in the short and long run.

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