Sökning: "Tail"

Visar resultat 1 - 5 av 328 uppsatser innehållade ordet Tail.

  1. 1. Longtail-fenomenet i svenskdagligvaruhandel : En kvantitativ studie av försäljningskoncentrationen i den svenska dagligvaruhandelns e-handel jämfört med fysisk handel.

    Kandidat-uppsats, Linnéuniversitetet/Institutionen för marknadsföring och turismvetenskap (MTS)

    Författare :Martin Amrén; Albin Nilsson; [2023]
    Nyckelord :Long tail; Pareto; superstars; grocery; e-commerce; omni-channel; multi-channel; sales concentration; Longtail; pareto; superstars; dagligvaror; e-handel; omni-channel; multi-channel; försäljningskoncentration;

    Sammanfattning : Bakgrund: Med digital utveckling ökar användandet av digitala kanaler för att köpa produkter. Utvecklingen sätter ökad press på handeln att utveckla sitt digitala erbjudande. Problemformulering: Förutsättningarna att driva handel skiljer sig åt online jämfört med offline, sett både ur perspektiv från återförsäljare och köpare. LÄS MER

  2. 2. Assessment and evaluation of heterogeneity in data from immune infiltration spatial niches in lung cancer

    Kandidat-uppsats, Lunds universitet/Matematisk statistik

    Författare :Mahta Keivani Najafabadi; [2023]
    Nyckelord :Mathematics and Statistics;

    Sammanfattning : The protein biomarker expressions in three types of sampled immune INFILTration spatial niches in lung cancer tissue were measured using the new technology Digital Spatial Profiler (DSP). The three types of immune INFILTration that were observed in lung tumors were STROMA identified as immune cells separate from tumor cells, Tertiary lymphoid structures (TLS) identified as dense structures of organized immune cells and finally Infiltraterate where immune cells dispersed among and in direct contact with tumor cells (INFILT). LÄS MER

  3. 3. Making Sense of Material Culture : A Sensory Approach to Bird-Shaped Vessels in Imperial Age Greece

    Master-uppsats, Stockholms universitet/Antikens kultur och samhällsliv

    Författare :Lina Enevång Viklund; [2023]
    Nyckelord :bird-shaped vessels; glass unguentaria; ancient senses; archaeology of the senses; ancient lived experience;

    Sammanfattning : The focus of this thesis is Roman bird-shaped glass vessels from the 1 st and 2 nd centuries AD. The vessels were containers for cosmetics and distinguished themselves from other types of unguentaria in that once they had been filled with cosmetic powder, the vessels were reheated and sealed shut by fire. LÄS MER

  4. 4. Risk Management and Sustainability - A Study of Risk and Return in Portfolios With Different Levels of Sustainability

    Master-uppsats, KTH/Matematik (Avd.)

    Författare :Magnus Borg; Lucas Ternqvist; [2023]
    Nyckelord :ESG; Value-at-Risk VaR ; Expected Shortfall ES ; Risk Management; Financial Risk; Financial Mathematics; Sustainability; Portfolio Management; Capital Asset Pricing Model CAPM ; Hållbarhet; Value-at-Risk VaR ; Expected Shortfall ES ; Riskhantering; Finansiell Risk; Finansiell Matematik; Portföljkonstruktion;

    Sammanfattning : This thesis examines the risk profile of Electronically Traded Funds and the dependence of the ESG rating on risk. 527 ETFs with exposure globally were analyzed. Risk measures considered were Value-at-Risk and Expected Shortfall, while some other metrics of risk was used, such as the volatility, maximum drawdown, tail dependece, and copulas. LÄS MER

  5. 5. Rising Heat, Rising Risk: The Effect of Greenhouse Gas Emissions on Downside Tail Risk

    D-uppsats, Handelshögskolan i Stockholm/Institutionen för finansiell ekonomi

    Författare :Moritz Neuber; Fabrice Van Lancker; [2023]
    Nyckelord :Climate Risk; Downside Risk; GHG Emissions; Tail Risk; Sustainable Finance;

    Sammanfattning : Regulatory and societal attention to environmental pollution is increasing, and greenhouse gas (GHG) emissions are becoming a potential risk factor for investors. This paper uses panel data from S\&P 500 firms between 2015 and 2022 to investigate the link between GHG emissions and downside tail risk. LÄS MER