Sökning: "returns to scale"

Visar resultat 1 - 5 av 42 avhandlingar innehållade orden returns to scale.

1. 1. Towards returns management strategies in internet retailing

   Författare :Stefan Karlsson; Förpackningslogistik; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; internet retailing; consumer returns; supply chain management; return policy; returns management strategy;

   Sammanfattning : The digital transformation of the retailing industry in recent years has had a profound effect on consumers’ behaviour on a global scale. When shopping and browsing online, consumers are not able to “touch and feel”, which means that product returns are inevitable. LÄS MER

3. 2. The technical representation of returns to scale on cost and production functions

   Författare :Lorenzo Brown; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

   Sammanfattning : The basic purpose of this work is to present a general theory of returns to scale. It is a presentation of definitions, technical representations, and theorems into which returns to scale enter. LÄS MER

4. 3. Does schooling make sense? A household perspective on the returns to schooling for self-employed, farmers and employees in Egypt

   Författare :Mattias Lindgren; Ekonomisk-historiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Social and economic history; EIHS; casual labour; employees; farmers; SMEs; labour market; returns to schooling; Education; Egypt; Ekonomisk och social historia;

   Sammanfattning : Why do some children in the developing world choose to stay out of school? Is it mainly because poverty leaves them with no options or because schooling seems to offer them few benefits? The answers to these questions have profound policy implications. An empirical input into this discussion is the extent to which schooling can actually be perceived as a profitable option in various countries and, in extension, what factors influence the extent of this perceived profitability. LÄS MER

5. 4. A Chemometric Approach to Process Monitoring and Control - With Applications to Wastewater Treatment Operation

   Författare :Christian Rosén; Industriell elektroteknik och automation; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; robotics; Automation; Elektroteknik; Electrical engineering; wastewater treatment; supervisory control; simulation; process monitoring; principal component analysis PCA ; multivariate statistics; modelling; activated sludge; detection; control engineering; Automatiska system; robotteknik; reglerteknik; Environmental technology; pollution control; Miljöteknik; kontroll av utsläpp;

   Sammanfattning : In this work, various aspects of multivariate monitoring and control of wastewater treatment operation are discussed. A number of important difficulties face operators and process engineers when handling online measurements from wastewater treatment processes. LÄS MER

7. 5. Comparing Climate Forcers on a Common Scale

   Författare :Erik Sterner; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Spatial-temporal Optimization; Carbon Cycle; Greenhouse Gases; Short-lived Climate Forcers; Upwelling-Diffusion; Metric; Energy Balance; Sea Level Rise; Non-cooperative Nash Equilibrium; Resource Extraction;

   Sammanfattning : The climate is changing at a rapid pace. Through the United Nations Framework Convention on Climate Change (UNFCCC), the world has agreed to hold the on-going temperature increase below 2 °C. Climate change is caused by emissions of different atmospheric species (climate forcers). LÄS MER