Essays about: "fixed system."

Showing result 21 - 25 of 635 essays containing the words fixed system..

1. 21. Sustainable Investments in Times of Crisis

   University essay from Handelshögskolan i Stockholm/Institutionen för finansiell ekonomi

   Author : Anton Johanson; Tobias Persson; [2023]
   Keywords : Funds value added; Gross and net alpha; Covid-19; ESG; Green and Brown funds;

   Abstract : This paper examines the effect of Covid-19 on green and brown funds in the Swedish Premium Pension System (PPS). We apply the methodology derived in Berk and van Binsbergen (2015) in a difference-in-difference model with time-fixed effects to estimate the average effect of Covid-19 on green funds for both value added and conventional alpha measures. READ MORE

3. 22. Suppression of Li-ion Battery Fires

   University essay from Lunds universitet/Avdelningen för Brandteknik

   Author : Linfan Cai; [2023]
   Keywords : Lithium-ion Battery; Fire Suppression System; Extinguishing Agent; Thermal Runaway; Battery Energy Storage System; Electric Vehicle; Technology and Engineering;

   Abstract : This thesis presents a systematic literature review of fixed fire suppression systems and extinguishing agents for lithium-ion battery (LIB) fires. The review identifies 85 relevant sources published between 2013 and March 2023, and categorises different research experiments into cell-level, module-level, electric vehicle (EV) pack-level, battery energy storage system (BESS) rack-level and warehouse storage experiments, according to LIB configurations. READ MORE

4. 23. Reducing Power Consumption For Signal Computation in Radio Access Networks : Optimization With Linear Programming and Graph Attention Networks

   University essay from Linköpings universitet/Programvara och system

   Author : Martin Nordberg; [2023]
   Keywords : Cloud RAN; Constrained optimization; Mixed integer linear programming; MILP; Machine learning; Graph neural network; Graph attention network; GAT;

   Abstract : There is an ever-increasing usage of mobile data with global traffic having reached 115 exabytes per month at the end of 2022 for mobile data traffic including fixed wireless access. This is projected to grow up to 453 exabytes at the end of 2028, according to Ericssons 2022 mobile data traffic outlook report. READ MORE

5. 24. Independent Schools and Academic Achievement: A Synthetic Control Approach on Swedish Municipalities

   University essay from Handelshögskolan i Stockholm/Institutionen för nationalekonomi

   Author : Folke Schröder Frykhammar; Anna Sandros Hansson; [2023]
   Keywords : Education quality; School privatization; Vouchers; Education reform; Synthetic Control;

   Abstract : During the early 1990's, the Swedish school system underwent a period of groundbreaking reforms, including the contentious independent school reform. The reforms coincided with a decline of Swedish results in international educational assessments, leading to a debate on whether independent schools positively or negatively contribute to students learning. READ MORE

6. 25. Won't Somebody Please Think of the Children? - A Study Examining If and How Adolescent Health Is Affected by the Business Cycle

   University essay from Lunds universitet/Nationalekonomiska institutionen

   Author : Hannes Wiklund; [2023]
   Keywords : Health; Mental health; Health economics; Macroeconomic conditions; Recessions; Adolescent; Business and Economics;

   Abstract : This thesis examines the impact of macroeconomic shocks on adolescents health, specifically those aged between 14 and 18 years. Using data from the Youth Risk Behavior Surveillance System (YRBSS) covering U.S. states from 1999 to 2019, this study investigates various health outcomes and behavioural variables among high-school students. READ MORE