Core executive decision-making in economic policy in the UK is dominated by a Prime Minister-Chancellor axis and a set of constraints defined by vast flows of capital around foreign exchange markets. This thesis examines policy-making during the Thatcher governments in relation to the debate about ERM membership from 1979 to 1990. The analysis reconstructs the choices which faced the Thatcher governments given their economic and European policy interests and capital accumulation priorities, and investigates core executive actors' activity against this background. From the first Thatcher administration onwards, the core executive was seriously divided on ERM membership and the government was unable to pursue a coherent policy on the issue. As a result of both a power struggle between the Prime Minister and successive Chancellors and the retention of empirically untenable policy positions by core executive actors, economic policy-making failed as a judgement about effective means to ends. In this sense, decision-making became non-rational. Having renounced the potential benefits of ERM membership for most of the 1980s, the Prime Minister and Chancellor decided to enter ERM in autumn 1990 at a central rate of DM2.95 which served neither their own interests nor those of UK producers. The failure of the Conservative government to pursue an effective policy on ERM membership represented a failure to cope with or understand the implications for successful economic management of vast capital flows around foreign exchange markets.

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This thesis presents an empirical investigation of the behaviour of financial markets and also the relationship on the real economy. The thesis will focus on Ireland, a small open economy with increased dependence on international developments. Two important aspects of the Irish economy, the term structure of interest rates and impact of exchange rate volatility, will be analysed. The motivation for the analysis of the term structure of interest rates in part I is two fold. Central banks can control very short-term interest rates, but of course the real economy will only really be affected by the long-term interest rate. Therefore the transmission mechanism from monetary policy to the real economy will depend on the relationship between short-term interest rates and long-term interest rates, i.e. the term structure of interest rates. The second important issue is that of market efficiency, and whether asset prices and returns are correctly valued by the market. A number of different interest rate maturities will be used to test the Expectations Hypothesis (EH) of term structure. The EH will also be tested assuming constant and time varying term premia. The results give support for the EH, and fmd no evidence of a time varying term premium. Given the recent extraordinary growth in the share of Irish exports in GDP, the impact of exchange rate volatility on Irish exports is analysed in part 2. The moti vation behind part 2 is to test whether the resulting monetary union will lead to a rise in exports, as a result of the end of exchange rate risk. Using the cointegration-ECM methodology I fmd that in the long-run there is no significant effect on Irish exports to the UK, while there is actually a positive impact on exports to European countries (UK included). I tentatively conclude that in the long-run the involvement in a single European currency will have no impact on trade.

Diss. Stockholm : Handelshögsk., 2001.

O objetivo deste trabalho é identificar padrões nos desvios da Lei do Preço Único. Utilizando dados desagregados nacionais e internacionais do período 1998-2008, aplicaram-se duas metodologias distintas: i) análise de componentes principais; e ii) estimador group mean Fully Modified OLS para painel proposto por Pedroni (2000). A análise de componentes principais facilita a identificação de padrões na variação de uma quantidade grande de dados e, o estimador group mean FMOLS permite estimar a relação de longo prazo existente entre os preços de um mesmo produto, cotados na mesma moeda, praticados em mercados distintos. Os resultados obtidos indicam que o câmbio é o principal responsável pelos desvios da Lei do Preço Único. Ademais, os resultados sugerem a existência de uma relação fraca entre os preços de um mesmo bem, cotados em Reais, mas comercializados nos mercados brasileiro e americano. / The main goal of this essay is to identify patterns in deviation from the law of one price. Using disaggregated data from Brazil and USA for the period 1998-2008, we applied two different methodologies: i) principal component analysis and ii) panel group mean Fully Modified OLS estimator proposed by Pedroni (2000). The principal component analysis facilitates the identification of patterns in the variation of a large amount of data, while the group mean FMOLS estimates the long run relationship between prices of the same good, quoted in the same currency, charged in separated markets. The results indicate that the exchange rate is the main responsible for deviations from the law of one price. Moreover, the results suggest the existence of a weak relationship between the prices of the same good, quoted in Reais, but sold in the Brazilian and American markets.

The scope of the present thesis is four-fold. First, to clarify and explain the means-ends framework and step-by-step analysis of the Austrian school. Second, to apply this framework to the Austrian theory of exchange rates. Third, to link the framework with most of the existing Austrian research related with the exchange rate theory and discuss this research. And fourth, to confront the Austrian economics with two mainstream approaches - Dornbusch?s overshooting model and short-run portfolio balance model. Message springing from this confrontation is twofold. First, the fundamental differences between present-day mainstream methods are envisaged. And second, the fact of possibility of mutual enrichment of both approaches from each other despite of completely different methodological backgrounds is suggested.

Magister Commercii - MCom / Issues pertaining to the misalignment of exchange rate have become central in the analysis of open economy macroeconomics for developing countries. This is at least due to two reasons: first persistent overvaluation of currency is seen as a powerful early warning of potential currency crisis and second protracted periods of exchange rate misalignment are highly associated with poor economic performance in a number of developing countries. Owing to this fact, economists are in concession that aligning real exchange rates towards their equilibrium values is an important component of macroeconomic policy adjustments in order to achieve and maintain a sustainable development. For this purpose the estimation of the degree of the real exchange rate misalignment has become pivotal. However, despite the concession among economists regarding the need to minimize the frequency and magnitude of exchange rate misalignment, the estimation of the equilibrium exchange rate (hence the misalignment) has been among the most controversial and challenging issues in modem macroeconomics. For several decades, the Purchasing power parity (PPP) approach-which is based on the law of one price-has been the most widely used methodology for the estimation of the equilibrium exchange rate in both developed and developing countries. In South Africa some attempts have been made to estimate the misalignment of the rand against major currencies on the basis of the PPP approach. However, large numbers of empirical studies show that PPP does not hold except in the 'ultra' long run. In addition, PPP's assumption of a constant equilibrium exchange rate makes it ill-fitted to serve as a bench-mark for the analysis of the exchange rate in countries such as South Africa that experience substantial structural changes. As a result a number of macro-econometric models underlying on the macroeconomic determinants of exchange rate have been developed, albeit with little applicability in developing countries. In this study, we have used Edwards' (1989) intertemporal general equilibrium model of a small open economy in order to estimate the degree of the real exchange rate misalignment and its impact on the international trade competitiveness of the South African economy for the period 1985:1-2000:4. For this purpose a dynamic single equation error correction model of a first order autoregressive distributed lag model, ADL (1,1), and five years moving average technique have been employed to estimate the exchange rate misalignment. Whereas impulse response analysis and variance decomposition techniques of a cointegrated VAR (vector auto regression) have been established to assess the impact of the misalignment on trade competitiveness. The fmdings of the study reveal that the real exchange rate had been consistently overvalued during the period' 1988:3-1998:2 but undervalued during periods 1998:3- 2000:4. For most of the periods during 1985:1-1988:2 the rand had been undervalued. More over the study discloses that exchange rate misalignment debilitates South Africa's international trade competitiveness accounting for 20 percent of the variation in competitiveness.

Includes bibliographical references / This thesis focuses on the effects and causes of exchange rate volatility in South Africa. These issues are analysed in three stand-alone but related papers. The first paper (Chapter 2) investigates the impact of real exchange rate volatility on employment growth in the manufacturing sector. The study contributes to the literature on the employment effects of exchange rate volatility in emerging markets given limited studies. This is done by using the Autoregressive Distributed Lag (ARDL) counteraction approach which is able to estimate an error correction form of the model for the variables under investigation. This enables one to analyse the relationship between exchange rate volatility and employment growth. The advantage of this approach is that it performs better in small samples and works well even when the underlying variables are integrated of different orders. Employing quarterly time series data for the period 1995 . 2010, the analysis shows that real exchange rate volatility has a significant contractionary effect on manufacturing employment growth. The study also provides evidence that exchange rate level, output, wages and interest rates have significant effects on manufacturing employment growth. The results suggest that the government can reduce the adverse effects of exchange rate volatility on manufacturing by adopting macroeconomic policies that minimise exchange rate volatility and policies that promote employment creation, for instance, less restrictive policies given that the results show that an increase in interest rates leads to a decline in employment. Coming up with macroeconomic policies that minimise exchange rate volatility requires the knowledge of the causes of exchange rate volatility. As a result, the second paper (Chapter 3) investigates the determinants of exchange rate volatility in South Africa. Few studies investigate the determinants of rand volatility (Arezki, Dumitrescu, Freytag & Quintyn 2014, Farrell 2001). This study contributes to the literature by finding the sources of rand volatility using output volatility, money supply volatility, foreign reverses volatility, commodity price volatility, openness and a dummy for capital account liberalisation as explanatory variables. This is done using GARCH models for the period 1986- 2013 employing monthly time series data. The advantage of GARCH models is that they are able to model and forecast time-varying variance given that the exchange rate behaves similarly to other asset prices, for example, stock prices. The study tests the hypothesis that economic openness leads to a reduction in exchange rate volatility following Hau's (2002) modifications of the New Open Macroeconomics model of Obstfeld & Rogoff (1995, 1996). South Africa is a good case study following the liberalisation of the capital account in March 1995. The results show that switching to a coating exchange rate regime has a significant positive effect on exchange rate volatility. That is, it increases exchange rate volatility. The results also show that trade openness reduces exchange rate volatility using the bilateral exchange rate. The results also show that output, commodity prices, money supply and foreign reserves volatilities significantly influences exchange rate volatility. The study also shows that real factors (commodity prices, output and openness) have relatively larger effects on exchange rate volatility compared to monetary factors. The third paper (Chapter 4) analyses the short run behaviour of the South African rand using daily data. The study contributes to the literature on the causes of exchange rate movements in several ways. First, it uses an event studies approach a la Campbell, Lo & MacKinlay (1997) to answer two research questions. First, what is the impact of South Africa's monetary policy announcements on the rand? Second, what is the impact of South African political events on the rand? The advantage of event studies is that they are able to quantify systematically the abnormal or unexpected impact of an economic or political event on asset prices like the exchange rate. Second, the study focuses on an emerging market given that most studies have mainly focused on developed economies. Third, few studies that use event studies in South Africa focus on stock market reaction to announcements. The results find 8 out of 12 significant cumulative abnormal returns for monetary policy announcements. This suggests that the rand is not only influenced by demand and supply flows but also by news. The study also finds significant cumulative abnormal returns for all the three exchange rates following the Marikana massacre on 16 August 2012 and the release of Nelson Mandela banknotes on 6 November 2012. The ANC elective conference only has significant cumulative abnormal returns using the Rand/US dollar in 2007 and 2012.