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The purpose of this study is to examine the optimal hedge ratio for the currency exposure of foreign investments. The optimal hedge ratio is determined after evaluating our portfolios from the three perspectives; ex-ante, ex-post and profit/loss. The ex-ante perspective is examined by the usage of historical simulation to calculate VaR on 11 portfolio pairs. Each pair consists of a portfolio with
The purpose of this thesis is to examine and analyze why, in the case of Afghanistan, the government chose to establish a highly centralized political system, when from a democratic standpoint a less centralized system would be preferable. The time period that is examined span from 2001 when the so-called Bonn-Accord was signed, to the parliamentary elections held in 2005, a period often referred
Abstract Aid-tying is considered costly and ineffective to recipient countries and it is estimated that costs increases by as much as 30 per cent due to its practice. The Paris Declaration on enhanced aid effectiveness suggested an end to tied aid. The purpose of this paper is to give a review of the development of aid-tying in the European countries in the last thirty years. It will also look at
In recent years a lot of criticism against the main assumptions of economic modeling has come to up, this has led to physicists entering the field of economics. By applying models originally developed for physics to economics, especially finance, analyzing methods with a different approach can be used. Inspired by earthquakes Didier Sornette created a model that analyze financial market crashes. W
To date, research on warehouse order-batching has been limited by reliance on rigid assumptions regarding rack layouts. Although efficient optimization algorithms have been provided for conventional warehouse layouts with Manhattan style blocks of racks, they are limited in that they fail to generalize to unconventional layouts. This paper builds on a generalized procedure for digitization of ware
NanoMAX is a hard x-ray nanoimaging beamline at the new Swedish synchrotron radiation source MAX IV that became operational in 2016. Being a beamline dedicated to x-ray nanoimaging in both 2D and 3D, NanoMAX is the first to take full advantage of MAX IVs exceptional low emittance and resulting coherent properties. We present results from the first experiments at NanoMAX that took place in December
Partially Premixed Combustion (PPC) has shown its potential by combining high combustion controllability with emission characteristics that are close to those of an HCCI engine. In order to get PPC the ignition delay needs to be long enough for the fuel and air to mix prior to combustion. This can be achieved by injecting the fuel sufficiently early while running with high EGR.In order to find outPartially Premixed Combustion (PPC) has shown its potential by combining high combustion controllability with emission characteristics that are close to those of an HCCI engine. In order to get PPC the ignition delay needs to be long enough for the fuel and air to mix prior to combustion. This can be achieved by injecting the fuel sufficiently early while running with high EGR.In order to find out
Most freight wagons in the EU use cast iron brake blocks. Cast iron brake blocks have a stable braking capability in different environmental conditions, but wear down the wheel tread quickly. Therefore, there is a need to understand the tribology of other brake block materials. A pin-on-disc tribometer placed in a temperature-controlled chamber is used to investigate the tribology of cast iron, si
European emission legislation has in recent years put a strict limit on NOx emissionsfrom heavy-duty truck engines. EGR and selective catalytic reduction are the two mostcommon technologies applied in a modern heavy-duty diesel engine to fulfill the legislation.The scope of this thesis is to explore other ways of reducing NOx emissions emittedby a heavy-duty engine. Several technology options are
People with repeated rapid meal ingestion have been reported to have increased risk of insulin resistance, impaired glucose tolerance and obesity. To explore whether speed of eating a breakfast influences the postprandial rise of glucose, insulin and the incretin hormones, 24 healthy subjects (12 men and 12 women, mean age 62 years) ingested a standardized solid breakfast consisting of 524 kcal (6
Lipase from Candida rugosa immobilized on Celite was employed as the biocatalyst in order to examine the effect of the reaction medium upon enzymic activity and selectivity. As the model reaction, transesterification between tributyrin and pentan‐2‐ol in iso‐octane (2,2,4‐trimethylpentane) was chosen. A small amount of water (0.05%, v/v) was added to the reaction medium. Enhanced transesterificati
Purpose: The purpose of this thesis is to understand how a privatization process affects a company’s institutional logic in the presence of path dependence mechanisms, and to delineate the implications this has on the firm’s value creation strategy. Theoretical Perspectives: This thesis builds upon general ownership theories from the perspective of institutional logics. To these perspectives, path
Sverige har under lång tid haft ett skyddsnät för att kunna bistå individer som inte kunnat klara sig själva. Dagens socialtjänstlag (2001:453) (SoL) bygger på 1980 års socialtjänstreform och därtill hörande anda och principer. Syftet med uppsatsen är att analysera en del av det förslag till en ny social-tjänstlag som regeringen påbörjade att utreda år 2017. I uppsatsen ska försla-get på att, i vSweden has for a long time had a framework to be able to assist individuals who could not fend for themselves. Today’s Social Services Act (2001:453) is based on the 1980 Social Services Reform and the following purposes and principles. The purpose of this thesis is to analyze one part of the proposal for a new Social Services Act that the government began to investigate in 2017. In the thesis, t
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This article presents the results of a study where the effect of five window glazing types on daylight quality was investigated using a scale model (1:6) of a room with a single, south east-oriented window exposed to the natural sky. The space studied simulated a typical, fully furnished living room. A total of 30 research subjects took part in the experiment, observed the room and filled question
