26 documents found

Arbeitspapier
2018

Applying Meta-modeling for extended CGE-modeling: Sampling techniques...

Apart from the computational time and expenses of the CGE model, the discussion of elasticity parameter estimation and various closure rules as well as the difficulty of combining the results with other analysis approaches always poses obstacles ahead of us, therefore we are motivated to apply the Bayesian...
Dissertation
CC BY-NC-ND 4.0

Computational Modeling and Analytical Tools in Applied Policy Modeling

Policy analysis, the scientific evaluation of policy impact, must include both the technical transformation and political decision process. This analysis is plagued by limited data that leads to model uncertainty. Not only the derived models are uncertain, but also political decision-makers have to...
Dissertation

Wirksamkeit der Ethylcellulosebeschichtung von Keramikoberflächen zum Schutz...

Zielsetzung: Ziel dieser Studie war es, einen Schutzlack zu entwickeln, der in der Lage ist, eine zur Verklebung vorkonditionierte Lithiumdisilikatkeramik bzw. Zirkonoxidkeramik vor Kontamination durch Speichel bzw. durch ein Fließsilikon zu schützen. Material und Methoden: Scheibenförmige Prüfkörper...
Dissertation

Ground state and excitation properties of Yukawa balls

The present thesis is concerned with the theoretical investigation of essential ground state and excitation properties of Yukawa balls - spherical crystalline clusters composed of microparticles embedded into a plasma environment. The ground state of a Yukawa ball is characterized by a particle distribution...
Dissertation

Grüne Agrarpolitik in Schleswig-Holstein - Symbolpolitik für eine postmaterielle...

Kernstück und Absicht der vorliegenden Arbeit war die Entwicklung und Darstellung eines empirischen und mikrofundierten agrarpolitischen Totalmodells zur Landtagswahl in Schleswig-Holstein, das Konsequenzen verschiedener politischer Strategien zur Nachhaltigkeit in der Landwirtschaft seitens der Parteien...
Dissertation

Role of political institutions and networks in agricultural policies: A...

The seminal papers of Persson and Tabellini have brought increasing interest in analyzing the effects of formal political institutions on economic policy choices. In contrast, the role of participatory policy processes in formulating efficient policies in developing countries has not been analyzed comprehensively...
Dissertation

Impact of land tenure arrangements, Bt cotton adoption and market participation...

Pakistan is the fourth largest cotton producing country. Cotton and cotton products contribute about 3.2% to GDP and 60-65 % to foreign exchange earnings of the country. In this dissertation three important aspects of cotton production and marketing are focused, i.e. adoption and impact of Bt cotton,...
Dissertation

Marktorganisation und Unternehmensentwicklung - die Bedeutung der Einbettung...

Spätestens seit dem grundlegenden Beitrag von Oliver Williamson 1975 wird in der ökonomischen Literatur immer wieder der Vorteil, den die Organisation ökonomischer Transaktionen in Netzwerken, als lose gekoppelte Systeme gegenüber den klassischen Organisationsformen, Hierarchie und Markt, haben kann,...
Dissertation

Voter Behavior and Government Performance : Theory and Empirical Application...

It is a commonly accepted view that democracy when compared to other non-democratic systems is a superior political system promoting economic growth and well-being. As a result in the past years many former autocratic regimes became democracies, especially in Africa during the third wave of democratisation....
Dissertation

An Econometric Analysis of Policy Measures for Improving Food Security...

A wide range of political measures is applied in developing countries in order to protect people from hunger and malnutrition. The aim of this dissertation is to determine the contribution of various food security policies. In the first study of this work, a new micro-economic model of food security...
Dissertation

Income diversification and household welfare : empirical evidence for Ghana

About 65% of the population in Sub-Saharan Africa lives in rural areas and due to the strong dependency on agricultural production mainly the rural population is affected by income shortfalls. To cope with this situation, households are deriving several strategies to spread these risks and smooth their...
Dissertation

Shocks, Income Diversification and Welfare in Developing and Transition...

This dissertation takes a welfare perspective to analyze how rural households in developing countries manage risks ex-ante and cope with shocks ex-post. The first part looks at risk-coping strategies and analyzes the socio-economic consequences of AIDS-related mortality in rural sub-Saharan Africa. Chapter...
Dissertation

Effects of Policy Reforms on Price Transmission and Price Volatility in...

Price is the most critical factor in determining the way markets function. In a perfect market a price shock is transmitted to other vertically or horizontally connected markets within a given period of time. However, when markets do not function perfectly the speed and the magnitude of price transmission...
Dissertation

Nachfrageanalyse, Economies of Scale und Preisdifferenzierung im deutschen...

Die Nachfrage nach Nahrungsmitteln unterliegt in Deutschland seit Jahrzehnten einem anhal-tenden Veränderungsprozess. Um auf veränderte Konsumansprüche reagieren und zukünftige Entwicklungen abschätzen zu können, erzielt die Analyse der Nahrungsmittelnachfrage an-hand der Schätzung von Nachfragesystemen...
Dissertation

Ländliche Kreditmärkte in Transformationsländern : Marktversagen und die...

Die wissenschaftliche Diskussion misst den formalen und informellen Institutionen einen erheblichen Einfluss auf die Funktionsfähigkeit der ländlichen Finanzmärkte in Transformationsländern bei. Institutionelle Mängel werden dafür verantwortlich gemacht, dass die Transaktionskosten auf den ländlichen...
Dissertation

Agent-based modelling for investigating consumer behaviour in risky markets...

Consumer behaviour in risky markets is a research field which was investigated and which is still investigated from different perspectives. Agent-based modelling is a relatively new research method which offers rich possibilities for consumer research. In this thesis a multi agent simulation was implemented...
Dissertation

Essays on Modeling and Evaluation of Pro-Poor-Growth Strategies in Africa

This cumulative dissertation presents 5 contributions that deliver novel insights on development issues and investment strategies in Africa. Chapter II and IV focus on the analysis of potential impacts of public health expenditures on productivity and hence future growth. In particular, chapter II provides...
Dissertation

Modellierung der Wechselwirkung zwischen Landwirtschaft und Nachhaltigkeit:...

Für die Ausgestaltung einer nachhaltigen Landnutzung sind in erster Linie die Wechselwirkungen zwischen Landwirtschaft und Umwelt von Bedeutung. Da es sich bei Umweltgütern um öffentliche Güter handelt kann durch Märkte keine effiziente Bereitstellung mit diesen Gütern gewährleistet werden und es kommt...
Dissertation

Essays zur Diffusion von Innovationen im Digitalen Zeitalter

Die vorliegende kumulative Dissertation ist im Rahmen und mit Förderung des DFG-Graduiertenkollegs „Betriebswirtschaftliche Aspekte lose gekoppelter Systeme und Electronic Business“ entstanden, das sich in einem Schwerpunkt mit der Diffusion von Innovationen im heutigen Digitalen Zeitalter befasst. Gerade...
Dissertation

Wählen und politische Performanz in Transformationsländern : Theorie, Methoden...

Understanding voting motives is important for explaining democratic processes and Government Performance in both industrialized and transition countries. Transition countries are especially characterized by poor civic participation and low political awareness, which can lead to great capture by local...