The focus of the dissertation is based on the previous research of a relatively new field of environmental governance posed by climate change policy. The implementation of the climate change policy in Europe is then a subject to the discussion over the consistency of that policy with one of the fundamental goals of European integration. That goal is building an internal market as well as ensuring fair competition in such a market. The interaction of these two areas is a key objective of this research work. Given the complexity of the topic, the dissertation, for sake of clarity, is defined more narrowly. On one hand, the thesis provides with an analysis of European climate policy and its main instruments for regulating carbon emissions in the European economy - the European Union emission trading system (EU ETS). On the other hand, the thesis also provides with a description of the European competition policy. The reason is, as mentioned above, that the competition policy is a fundamental policy that guarantees the consistency of the implementation of environmental policies with the building of the internal market. The author analysed in the thesis basic measures implemented within the framework of those with the aim to prove out whether both policies are in mutual accord and whether they do function under the real terms. Based on the results achieved, the author can make following conclusions: The EU ETS mechanism decided for the European Union proved out to be a cost-efficient choice of emission reduction, despite of some temporary weakness that it has. Also, it can be concluded, that the allocation method is the ultimate criterion that determines both the efficiency of the climate action in Europe as well as its compliance with the competition policy. Stemming from that conclusion, there has been some strong evidence given that grandfathering has not been always in line with the state aid rules existing now in the environment protection. Last but not least, the optional use of the Article 10c of the Directive 2003/87/EC seems to be, from what one can say now, fully in line with the state aid rules valid in the European Union. However, further research in this field might be of very use in the future.

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There is no single commonly adapted model that explains the influence that various monetary policy instruments carry for the economy. During 2011-2017, the Swedish inflation rate has remained below the 2 percent target which has led the Riksbank to take measures aimed at stimulating the inflation. As of May 2018, the repo rate has experienced a number of decreases and is now at 􀀀0:50% which represents an unprecedentedly low level. With the inflation rate remaining below the target whilst the housing market has experienced substantial growth and recent decline, the question arises regarding what impact the repo rate exerts on various macroeconomic measures. In this paper, a statistical time series analysis is conducted using a Vector Autoregression model and the impulse responses are studied. A model of 7 economic variables is constructed to specially study the effect of the repo rate on employment and housing prices. Results demonstrate that rational expectations exist in the economy. Furthermore, results show that the repo rate influences factors affected by inflation rapidly, exerting maximum influence during the first year after the shock. On the other hand, real variables based on quantitative measures that are adjusted for inflation experience the greatest influence of the repo rate after a delay of 6 to 7 quarters. Employment experiences the greatest negative response to a repo rate shock after 7 quarters, with a magnitude of 0.317 standard deviations per standard deviation in the repo rate shock. Housing prices experience the greatest negative response to a repo rate shock after 4 quarters, with a magnitude of 0.209 standard deviations per standard deviation in the repo rate shock. / Det finns ingen allmänt vedertagen modell som beskriver olika penningpolitiska instruments påverkan på ekonomin. Under 2011-2017 har Sveriges inflationstakt legat under 2-procentsmålet vilket har fått Riksbanken att vidta åtgärder i syfte att stimulera inflationen. Fram till maj 2018 har upprepade sänkningar av reporäntan genomförts och den ligger i dagsläget på 0:50% vilket är den lägsta nivån någonsin. Då inflationstakten inte nått målet samtidigt som bostadsmarknaden har upplevt kraftig tillväxt och nylig nedgång uppstår frågan gällande vilken effekt som reporäntan utlovar på diverse makroekonomiska mått. I denna rapport genomförs en statistisk tidsserieanalys med en vektorautoregression och impuls-responserna studeras. En modell med 7 ekonomiska variabler skapas för att specifikt studera effekten av reporäntan på sysselsättning och bostadspriser. Resultaten visar att rationella förväntningar finns i ekonomin. Vidare visar resultaten att reporäntan influerar inflationspåverkade variabler omgående, med maximal påverkan inom det första året efter chocken. Å andra sidan påverkas volymbaserade variabler som justeras för inflation maximalt först efter en fördröjning på 6 till 7 kvartal. Sysselsättningen upplever störst negativ påverkan från en reporäntechock efter 7 kvartal motsvarande 0.317 standardavvikelser per standardavvikelse i chocken. Bostadspriser upplever störst negativ påverkan från en reporäntechock efter 4 kvartal motsvarande 0.209 standardavvikelser per standardavvikelse i chocken.

Die derzeitige Wiederkehr von protektionistischen Maßnahmen und Illiberalismus erfordert ein detaillierteres Verständnis der Wechselwirkungen zwischen wirtschaftlichen und politischen Faktoren. Die vorliegende Doktorarbeit besteht aus vier Artikeln, die unser Verständnis der komplexen Wechselwirkungen zwischen Handel, Demokratie, Entwicklung und Konflikt voranbringen. Der erste Artikel (Boese 2015) fragt: Führen Revolutionen zu mehr Demokratie? Die untersuchten revolutionären Konflikte sind positiv mit dem demokratischen Weg eines Landes verbunden. Darüber hinaus führt der Artikel ein neues Maß für Demokratie ein, den (X-) Pol-Index. Der zweite Artikel (Boese 2019) vergleicht die Demokratiemaße von PolityIV, Freedom House und V-Dem. V-Dem Maße übertreffen die anderen in allen Bereichen. Der Artikel bietet eine Einführung in die Demokratiemessung, einen Vergleich der Vor- und Nachteile jedes Maßes in empirischen Analysen und Fallstudien, um die Unterschiede zwischen den Indizes zu veranschaulichen. Der dritte Artikel (Boese & Kamin 2019) untersucht das Problem inkonsistenter Länderkodierungen zwischen verschiedenen Makrodatensätzen. Es führt zu einer Verzerrung der Stichprobenauswahl, da sich in Konfliktländern oft Name und Grenzen des Staates ändern. Dadurch wird die Zuverlässigkeit von Schlussfolgerungen aus statistischen Analysen, insbesondere in der Konfliktökonomie, eingeschränkt. Detaillierte Übersichtstabellen der Länderkodierungsdifferenzen werden bereitgestellt. Der vierte Artikel (mit K. Kamin, CAU Kiel) untersucht die Wechselwirkungen von Demokratie, Entwicklung, Handel und Konflikt. In einem länderspezifischen VAR werden die Auswirkungen von Schocks auf einen der vier Faktoren untersucht. Die Ergebnisse zeigen, dass diese Effekte im Laufe der Zeit in und innerhalb von Ländern sehr heterogen sind. Der Artikel erhielt den Michael D. Intrilligator Best PhD Student Paper Award auf der 23. International Conference on Economics and Security in Madrid (Juni 2019). / The current return to protectionist measures coinciding with a rise of illiberalism triggers the need for a more detailed understanding of the interactions of economic and political dimensions. This thesis consists of four articles advancing our understanding of the complex interactions between trade, democracy, development and conflict. The first article (Boese 2015) asks: do revolutions lead to more democracy? The revolutionary conflicts examined are positively associated with a country's democratic path. In addition, the article introduces a new measure of democracy, the (X-)Pol Index. The second article (Boese 2019) compares measure validity and reliability of Polity2, Freedom House and V-Dem democracy indices. The latter surpass the former in all relevant areas. The article provides an introduction to democracy measurement, a comparison of the advantages and disadvantages of each measure in empirical analyses and several case studies to illustrate differences across the three indices. The third article (Boese & Kamin 2019) shows that in spite of standardization efforts the problem of inconsistent country coding across and within disciplines persists. This leads to sample selection bias as countries in conflict often undergo state name and border changes. In turn, reliability of inferences drawn from statistical analysis, in particular in conflict and peace economics, is limited. Detailed overview tables of the gravest country coding discrepancies are provided. The fourth article (with K. Kamin, CAU Kiel) examines the interactions of democracy, development, trade and conflict. It employs a country-specific VAR to study the effects of shocks in any of the four factors on one another. Results show that these effects are vastly heterogenous across and within countries over time. The article received the Michael D. Intrilligator Best PhD Student Paper Award at the 23rd International Conference on Economics and Security in Madrid, Spain (June 2019).

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Analysis of the impact of ageing on health care spending in selected countries of the Commonwealth Abstract This thesis examines and analyses development of population ageing in Australia, Canada and New Zealand and especially its impact on the spending in the sector of health care. It includes comparison of demographic trends and description of health care systems in selected countries. The analysis is then processed by an econometric model focused on the impact of population ageing on government spending and spending of the private sector on health care through life expectancy at birth, ratio of population aged 65 years and above and other indicators. The modelling is carried out using linear regression, vector autoregression and fixed effects model in panel data. The results show that population ageing indeed affects through different intensity both government and private sector spending on health care in Australia, Canada and New Zealand.

The recent economic and financial turmoil has led central banks around the world to heavily utilize unconventional monetary policy measures. Unconventional in this sense means a deflection from traditional central bank policy measures, i.e. interest rate innovations. Although these measures were widely discussed, the uniformed, coherent and comprehensive framework of such measures is still missing. The aim of this thesis is to establish the framework for possible classification of such policies together with transmission channels to the real economy. The empirical part examines the impacts of unconventional policies on real data using vector autoregression and vector error correction models. This analysis is based on monthly data period between 1999 and 2013, which is strongly affected by implementation of the unconventional policies in its second half. The last section examines the possible future of these policies as a normal instrument of central banks and describes their main challenges and shortcomings. JEL classification: C32, E40, E44, E50, E52, E58, E60 Keywords: Unconventional monetary policy, Interest rate, Decoupling principle, Balance sheet policy stratification, Quantitative easing, Channels of transmission, Vector Autoregression, Vector error correction model Author's e-mail:...

Diese Doktorarbeit untersucht drei Fragestellungen. Erstens, wie die Wirkung von plötzlichen Änderungen exogener Faktoren auf endogene Variablen empirisch im Allgemeinen zu bestimmen ist. Zweitens, welche Effekte eine Erhöhung der Staatsausgaben im Speziellen hat. Drittens, wie optimale Geldpolitik bestimmt werden kann, wenn der Entscheider keine eindeutigen Modelle für die ökonomischen Rahmenbedingungen hat. Im ersten Kapitel entwickele ich eine Methode, mithilfe derer die Effekte von plötzlichen Änderungen exogener Faktoren auf endogene Variablen geschätzt werden können. Dazu wird die gemeinsame Verteilung von Parametern einer Vektor Autoregression (VAR) und eines stochastischen allgemeinen Gleichgewichtsmodelles (DSGE) bestimmt. Auf diese Weise können zentrale Probleme gelöst werden: das Identifikationsproblem der VAR und eine mögliche Misspezifikation des DSGE Modells. Im zweitem Kapitel wende ich die Methode aus dem ersten Kapitel an, um den Effekt einer angekündigten Erhöhung der Staatsausgaben auf den privaten Konsum und die Reallöhne zu untersuchen. Die Identifikation beruht auf der Einsicht, dass endogene Variablen, oft qualitative Unterschiede in der Periode der Ankündigung und nach der Realisation zeigen. Die Ergebnisse zeigen, dass der private Konsum negativ im Zeitraum der Ankündigung reagiert und positiv nach der Realisation. Reallöhne steigen zum Zeitpunkt der Ankündigung und sind positiv für zwei Perioden nach der Realisation. Im abschließendem Kapitel untersuche ich gemeinsam mit Christian Stoltenberg, wie Geldpolitik gesteuert werden sollte, wenn die Modellierung der Ökonomie unsicher ist. Wenn ein Modell um einen Parameter erweitert wird, kann das Modell dadurch so verändert werden, dass sich die Politikempfehlungen zwischen dem ursprünglichen und dem neuen Modell unterscheiden. Oft wird aber lediglich das erweiterte Modell betrachtet. Wir schlagen eine Methode vor, die beiden Modellen Rechnung trägt und somit zu einer besseren Politik führt. / This thesis is concerned with three questions: first, how can the effects macroeconomic policy has on the economy in general be estimated? Second, what are the effects of a pre-announced increase in government expenditures? Third, how should monetary policy be conducted, if the policymaker faces uncertainty about the economic environment. In the first chapter I suggest to estimate the effects of an exogenous disturbance on the economy by considering the parameter distributions of a Vector Autoregression (VAR) model and a Dynamic Stochastic General Equilibrium (DSGE) model jointly. This allows to resolve the major issue a researcher has to deal with when working with a VAR model and a DSGE model: the identification of the VAR model and the potential misspecification of the DSGE model. The second chapter applies the methodology presented in the preceding chapter to investigate the effects of a pre-announced change in government expenditure on private consumption and real wages. The shock is identified by exploiting its pre-announced nature, i.e. different signs of the responses in endogenous variables during the announcement and after the realization of the shock. Private consumption is found to respond negatively during the announcement period and positively after the realization. The reaction of real wages is positive on impact and positive for two quarters after the realization. In the last chapter ''Optimal Policy Under Model Uncertainty: A Structural-Bayesian Estimation Approach'' I investigate jointly with Christian Stoltenberg how policy should optimally be conducted when the policymaker is faced with uncertainty about the economic environment. The standard procedure is to specify a prior over the parameter space ignoring the status of some sub-models. We propose a procedure that ensures that the specified set of sub-models is not discarded too easily. We find that optimal policy based on our procedure leads to welfare gains compared to the standard practice.

本研究係探討匯率與總體經濟之關聯性，以中國大陸1996第一季至 2013年第一季之總體經濟變數，共計樣本數為69筆季資料。先以1996第一季至 2013年第一季全期數據進行實證分析。再以2005年7月為分界點，分為1996年第一季至2005年第二季及2005年第三季至2013年第一季數據分別進行實證分析。 本論文就REER、GDP、CPI、M2、UNEMP、CHIBOR、FDI、OPEN等總體經濟變數，以單根檢定及建構向量自我迴歸模型進行實證分析，並以Granger因果關係檢定、衝擊反應分析及預測誤差變異數分解，以了解匯率與總體經濟相互間之關係。 實證結果發現，中國大陸匯率與總體經濟間的關係自2005年7月21日匯率改革後逐漸增強，但整體言之匯率與總體經濟間之傳導能力仍然不大，人民幣匯率的變動主要受其自身影響較多，受總體經濟變數的相互影響較小，顯示其外匯市場的開放程度與一個真正開放的經濟體還是有些許差距。 / This research examines the correlation between foreign exchange rates and macroeconomics by using the data of economic variables of China from the 1st quarter of 1996 to the 1st quarter of 2013. The sample contains 69 quarterly data during the entire period, while the reform of Chinese exchange rate on 21st July 2005 is a crucial division. In order to find the correlation between foreign exchange rates and macroeconomics, the research examines the economic variables such as REER, GDP, CPI, M2, UNEMP, CHIBOR, FDI, and OPEN by using unit root test, vector autoregression model, Granger causality test, impulse response function and variance decomposition impulse response function. The result of the tests indicates that after the reform of Chinese exchange rate on 21st July 2005, the correlation between exchange rates and macroeconomics has been enhanced, but the connection is not prominent. In other words, the fluctuation of Renminbi is mainly affected by the nation’s policy instead of its macroeconomic factors. Hence, the openness of the Chinese foreign exchange market is still distant from a real open economy.