Sökning: "Envelopment"

Visar resultat 1 - 5 av 27 avhandlingar innehållade ordet Envelopment.

1. 1. Envelopment of retrovirus and vaccinia virus

   Författare :Kristina Wallengren; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :Retrovirus; Vaccinia virus; Envelopment; Host proteins; Gag-particles; IMV A17L.;

   Sammanfattning : This thesis describes envelopment of retrovirus and vaccinia virus. Retrovirus envelopment, i.e. budding, occurs from the plasma membrane (PM) of infected cells in an environment that is abundant with cellular proteins. LÄS MER

3. 2. Essays on Efficiency Measurement and Corporate Social Responsibility

   Författare :Constantin Belu; Göteborgs universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Corporate Social Responsibility; Sustainable Development; Data Envelopment Analysis; DEA; Strategic CSR; System-GMM; Information Technology; Technical Efficiency; Stochastic Frontier Analysis; SFA; Panel Data; Technical Efficiency; Vintage; Putty-Clay; Best-Practice;

   Sammanfattning : Paper 1: Ranking corporations based on sustainable and socially responsible practices. A Data Envelopment Analysis (DEA) approach This study ranks publicly listed corporations based on social and environmental (i.e. LÄS MER

4. 3. Efficiency in Education - A Multilevel Analysis

   Författare :Staffan Waldo; Nationalekonomiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; economic systems; economic policy; Nationalekonomi; ekonometri; ekonomisk teori; ekonomiska system; ekonomisk politik; economic theory; econometrics; Data Envelopment Analysis; Economics; Education; Efficiency;

   Sammanfattning : Sweden spends altogether about 4.5% of GDP on primary, secondary and upper secondary school. Considering the magnitude of this investment it is important that these resources are used efficiently. In this thesis efficiency in public education is analysed on three different levels: The municipal level, the school level, and the individual level. LÄS MER

5. 4. Essays on Manufacturing Production in a Developing Economy: Kenya 1992-94

   Författare :Karl Lundvall; Göteborgs universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Firm size; Kenya; manufacturing; stochastic frontier production functions; data envelopment analysis; technical efficiency; factor substitution; informal sector.;

   Sammanfattning : The dissertation consists of five separate empirical papers based on panel data from Kenyan manufacturing firms in the food, wood, textile and metal sectors, collected during the early 1990s, and an overview of the economic literature on small firms in developing countries. The principal tools of analysis are the microeconomic theory of production and econometrics. LÄS MER

7. 5. Economic Implications of Corporate Social Responsibility and Responsible Investments

   Författare :Cristiana Manescu; Göteborgs universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Corporate Social Responsibility; Strategic CSR; Socially Responsible Investments; Sustainability; Firm Profitability; Stock Returns; Statistical Learning Techniques; Variable Selection; Smooth Splines; Regression Trees; Data Envelopment Analysis; Difference-GMM; Risk-Factor Test; Market Efficiency; Control Functions Approach.;

   Sammanfattning : Paper 1 (with Catalin Starica): This study conducts an in-depth analysis of the association between a unique ten-dimensional set of Corporate Social Responsibility (CSR) scores and firm profitability, as measured by Return on Assets (ROA). We find that non-linear (semi or non-parametric) regression methods bring important improvements in explaining profitability relative to a classical linear approach. LÄS MER