Sökning: "Stefan Sjögren"

Hittade 3 avhandlingar innehållade orden Stefan Sjögren.

1. 1. Effektiva kombiterminaler - en tillämpning av DEA

   Författare :Stefan Sjögren; Göteborgs universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; combined transport; intermodal transport; terminal; efficiency; productivity; data envelopment analysis;

   Sammanfattning : .... LÄS MER

3. 2. Voltage collapse in power systems : the influence of generator current limiters, on-load tap changers and load dynamics

   Författare :Stefan Johansson; Fredrik Sjögren; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; voltage collapse; field current limiter; current-voltage trajectory; armature current limiter; load dunamics; voltage instability;

   Sammanfattning : .... LÄS MER

4. 3. The Black-Litterman Model : Towards its use in practice

   Författare :Charlotta Mankert; Birger Ljung; Harald Lang; Stefan Sjögren; KTH; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Black-Litterman model; portfolio theory; portfolio management; practical portfolio management; asset allocation; sampling theory; behavioural finance; behavioral finance; overconfidence; action science; action research; Business studies; Företagsekonomi;

   Sammanfattning : The Black-Litterman model is analyzed in three steps seeking to investigate, develop and test the B-L model in an applied perspective. The first step mathematically derives the Black-Litterman model from a sampling theory approach generating a new interpretation of the model and an interpretable formula for the parameter weight-on-views. LÄS MER