914 resultados para No-till seeder shanks


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The four scientific articles comprising this doctoral dissertation offer new information on the presentation and construction of addiction in the mass media during the period 1968 - 2008. Diachronic surveys as well as quantitative and qualitative content analyses were undertaken to discern trends during the period in question and to investigate underlying conceptions of the problems in contemporary media presentations. The research material for the first three articles consists of a sample of 200 texts from Finland s biggest daily newspaper, Helsingin Sanomat, from the period 1968 - 2006. The fourth study examines English-language tabloid material published on the Internet in 2005 - 2008. A number of principal trends are identified. In addition to a significant increase in addiction reporting over time, the study shows that an internalisation of addiction problems took place in the media presentations under study. The phenomenon is portrayed and tackled from within the problems themselves, often from the viewpoint of the individuals concerned. The tone becomes more personal, and technical and detailed accounts are more and more frequent. Secondly, the concept of addiction is broadened. This can be dated to the 1990s. The concept undergoes a conventionalisation: it is used more frequently in a manner that is not thought to require explanation. The word riippuvuus (the closest equivalent to addiction in Finnish) was adopted more commonly in the reporting at the same time, in the 1990s. Thirdly, the results highlight individual self-governance as a superordinate principle in contemporary descriptions of addiction. If the principal demarcation in earlier texts was between us and them , it is now focused primarily on the individual s competence and ability to govern the self, to restrain and master one's behaviour. Finally, in the fourth study investigating textual constructions of female celebrities (Amy Winehouse, Britney Spears and Kate Moss) in Internet tabloids, various relations and functions of addiction problems, intoxication, body and gender were observed to function as cultural symbols. Addiction becomes a sign, or a style, that represents different significations in relation to the main characters in the tabloid stories. Tabloids, as a genre, play an important role by introducing other images of the problems than those featured in mainstream media. The study is positioned within the framework of modernity theory and its views on the need for self-reflexivity and biographies as tools for the creation and definition of the self. Traditional institutions such as the church, occupation, family etc. no longer play an important role in self-definition. This circumstance creates a need for a culture conveying stories of success and failure in relation to which the individual can position their own behaviour and life content. I propose that addiction , as a theme in media reporting, resolves the conflict that emanates from the ambivalence between the accessibility and the individualisation of consumer society, on the one hand, and the problematic behavioural patterns (addictions) that they may induce, on the other.

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Conflict, Unity, Oblivion: Commemoration of the Liberation War by the Civic Guard and the Veterans´ Union in 1918-1944 The Finnish Civil War ended in May 1918 as a victory for the white side. The war was named by the winners as the Liberation War and its legacy became a central theme for public commemorations during the interwar period. At the same time the experiences of the defeated were hindered from becoming a part of the official history of Finland. The commemoration of the war was related not only to the war experience but also to a national mission, which was seen fulfilled with the independence of Finland. Although the idea of the commemoration was to form a unifying non-political scene for the nation, the remembrance of the Liberation War rather continued than sought to reconcile to the conflict of 1918. The outbreak of the war between the Soviet Union and Finland in 1939 immediately affected the memory culture. The new myth of the Miracle of the Winter War, which referred to the unity shown by the people, required a marginalization of controversial memory of the Liberation War. This study examines from the concepts of public memory and narrative templates how the problematic experience of a civil war developed to a popular public commemoration. Instead of dealing with the manipulative and elite-centered grandiose commemoration projects, the study focuses on the more modest local level and emphasizes the significance of local memory agents and narrative templates of collective memory. The main subjects in the study are the Civil Guard and the Veterans´ Union. Essential for the widespread movement was the development of the Civic Guard from a wartime organization to a peacetime popular movement. The guards, who identified themselves trough the memories and the threats of civil war, formed a huge network of memory agents in every corner of the country. They effectively linked both local memory with official memory and the civic society with the state level. Only with the emergence of the right wing veteran movement in the 30ies did the tensions grow between the two levels of public memory. The study shows the diversity of the commemoration movement of the Liberation War. It was not only a result of a nation-state project and political propaganda, but also a way for local communities to identify and strengthen themselves in a time of political upheaval and uncertainty.

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Agriculture’s contribution to climate change is controversial as it is a significant source of greenhouse gases but also a sink of carbon. Hence its economic and technological potential to mitigate climate change have been argued to be noteworthy. However, social profitability of emission mitigation is a result from factors among emission reductions such as surface water quality impact or profit from production. Consequently, to value comprehensive results of agricultural climate emission mitigation practices, these co-effects to environment and economics should be taken into account. The objective of this thesis was to develop an integrated economic and ecological model to analyse the social welfare of crop cultivation in Finland on distinctive cultivation technologies, conventional tillage and conservation tillage (no-till). Further, we ask whether it would be privately or socially profitable to allocate some of barley cultivation for alternative land use, such as green set-aside or afforestation, when production costs, GHG’s and water quality impacts are taken into account. In the theoretical framework we depict the optimal input use and land allocation choices in terms of environmental impacts and profit from production and derive the optimal tax and payment policies for climate and water quality friendly land allocation. The empirical application of the model uses Finnish data about production cost and profit structure and environmental impacts. According to our results, given emission mitigation practices are not self-evidently beneficial for farmers or society. On the contrary, in some cases alternative land allocation could even reduce social welfare, profiting conventional crop cultivation. This is the case regarding mineral soils such as clay and silt soils. On organic agricultural soils, climate mitigation practices, in this case afforestation and green fallow give more promising results, decreasing climate emissions and nutrient runoff to water systems. No-till technology does not seem to profit climate mitigation although it does decrease other environmental impacts. Nevertheless, the data behind climate emission mitigation practices impact to production and climate is limited and partly contradictory. More specific experiment studies on interaction of emission mitigation practices and environment would be needed. Further study would be important. Particularly area specific production and environmental factors and also food security and safety and socio-economic impacts should be taken into account.

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Defects in mitochondrial DNA (mtDNA) maintenance cause a range of human diseases, including autosomal dominant progressive external ophthalmoplegia (adPEO). This study aimed to clarify the molecular background of adPEO. We discovered that deoxynucleoside triphosphate (dNTP) metabolism plays a crucial in mtDNA maintenance and were thus prompted to search for therapeutic strategies based on the modulation of cellular dNTP pools or mtDNA copy number. Human mtDNA is a 16.6 kb circular molecule present in hundreds to thousands of copies per cell. mtDNA is compacted into nucleoprotein clusters called nucleoids. mtDNA maintenance diseases result from defects in nuclear encoded proteins that maintain the mtDNA. These syndromes typically afflict highly differentiated, post-mitotic tissues such as muscle and nerve, but virtually any organ can be affected. adPEO is a disease where mtDNA molecules with large-scale deletions accumulate in patients tissues, particularly in skeletal muscle. Mutations in five nuclear genes, encoding the proteins ANT1, Twinkle, POLG, POLG2 and OPA1, have previously been shown to cause adPEO. Here, we studied a large North American pedigree with adPEO, and identified a novel heterozygous mutation in the gene RRM2B, which encodes the p53R2 subunit of the enzyme ribonucleotide reductase (RNR). RNR is the rate-limiting enzyme in dNTP biosynthesis, and is required both for nuclear and mitochondrial DNA replication. The mutation results in the expression of a truncated form of p53R2, which is likely to compete with the wild-type allele. A change in enzyme function leads to defective mtDNA replication due to altered dNTP pools. Therefore, RRM2B is a novel adPEO disease gene. The importance of adequate dNTP pools and RNR function for mtDNA maintenance has been established in many organisms. In yeast, induction of RNR has previously been shown to increase mtDNA copy number, and to rescue the phenotype caused by mutations in the yeast mtDNA polymerase. To further study the role of RNR in mammalian mtDNA maintenance, we used mice that broadly overexpress the RNR subunits Rrm1, Rrm2 or p53R2. Active RNR is a heterotetramer consisting of two large subunits (Rrm1) and two small subunits (either Rrm2 or p53R2). We also created bitransgenic mice that overexpress Rrm1 together with either Rrm2 or p53R2. In contrast to the previous findings in yeast, bitransgenic RNR overexpression led to mtDNA depletion in mouse skeletal muscle, without mtDNA deletions or point mutations. The mtDNA depletion was associated with imbalanced dNTP pools. Furthermore, the mRNA expression levels of Rrm1 and p53R2 were found to correlate with mtDNA copy number in two independent mouse models, suggesting nuclear-mitochondrial cross talk with regard to mtDNA copy number. We conclude that tight regulation of RNR is needed to prevent harmful alterations in the dNTP pool balance, which can lead to disordered mtDNA maintenance. Increasing the copy number of wild-type mtDNA has been suggested as a strategy for treating PEO and other mitochondrial diseases. Only two proteins are known to cause a robust increase in mtDNA copy number when overexpressed in mice; the mitochondrial transcription factor A (TFAM), and the mitochondrial replicative helicase Twinkle. We studied the mechanisms by which Twinkle and TFAM elevate mtDNA levels, and showed that Twinkle specifically implements mtDNA synthesis. Furthermore, both Twinkle and TFAM were found to increase mtDNA content per nucleoid. Increased mtDNA content in mouse tissues correlated with an age-related accumulation of mtDNA deletions, depletion of mitochondrial transcripts, and progressive respiratory dysfunction. Simultaneous overexpression of Twinkle and TFAM led to a further increase in the mtDNA content of nucleoids, and aggravated the respiratory deficiency. These results suggested that high mtDNA levels have detrimental long-term effects in mice. These data have to be considered when developing and evaluating treatment strategies for elevating mtDNA copy number.

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The behaviour of the nucleoli from mitotic prophase till the end of telophase is illustrated. Since at prophase, the SAT-threads appear embedded in the nucleolar matrix, their orientation in the mass and the rate of dissolution of the latter would determine whether this relationship would continue till meta- or ana-phase. The persistence of the nucleoli-SAT association often till anaphase indicates that the movement of such nucleoli on the spindle is governed by that of the SAT-chromosomes.

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Major advances in the treatment of preterm infants have occurred during the last three decades. Survival rates have increased, and the first generations of preterm infants born at very low birth weight (VLBW; less than 1500 g) who profited from modern neonatal intensive care are now in young adulthood. The literature shows that VLBW children achieve on average lower scores on cognitive tests, even after exclusion of individuals with obvious neurosensory deficits. Evidence also exists for an increased risk in VLBW children for various neuropsychiatric disorders such as attention-deficit hyperactivity disorder (ADHD) and related behavioral symptoms. Up till now, studies extending into adulthood are sparse, and it remains to be seen whether these problems persist into adulthood. The aim of this thesis was to study ADHD-related symptoms and cognitive and executive functioning in young adults born at VLBW. In addition, we aimed to study sleep disturbances, known to adversely affect both cognition and attention. We hypothesized that preterm birth at VLBW interferes with early brain development in a way that alters the neuropsychological phenotype; this may manifest itself as ADHD symptoms and impaired cognitive abilities in young adulthood. In this cohort study from a geographically defined region, we studied 166 VLBW adults and 172 term-born controls born from 1978 through 1985. At ages 18 to 27 years, the study participants took part in a clinic study during which their physical and psychological health was assessed in detail. Three years later, 213 of these individuals participated in a follow-up. The current study is part of a larger research project (The Helsinki Study of Very Low Birth Weight Adults), and the measurements of interest for this particular study include the following: 1) The Adult Problem Questionnaire (APQ), a self-rating scale of ADHD-related symptoms in adults; 2) A computerized cognitive test battery designed for population studies (CogState®) which measures core cognitive abilities such as reaction time, working memory, and visual learning; 3) Sleep assessment by actigraphy, the Basic Nordic Sleep Questionnaire, and the Morningness-Eveningness Questionnaire. Actigraphs are wrist-worn accelerometers that separate sleep from wakefulness by registering body movements. Contrary to expectations, VLBW adults as a group reported no more ADHD-related behavioral symptoms than did controls. Further subdivision of the VLBW group into SGA (small for gestational age) and AGA (appropriate for gestational age) subgroups, however, revealed more symptoms on ADHD subscales pertaining to executive dysfunction and emotional instability among those born SGA. Thus, it seems that intrauterine growth retardation (for which SGA served as a proxy) is a more essential predictor for self-perceived ADHD symptoms in adulthood than is VLBW birth as such. In line with observations from other cohorts, the VLBW adults reported less risk-taking behavior in terms of substance use (alcohol, smoking, and recreational drugs), a finding reassuring for the VLBW individuals and their families. On the cognitive test, VLBW adults free from neurosensory deficits had longer reaction times than did term-born peers on all tasks included in the test battery, and lower accuracy on the learning task, with no discernible effect of SGA status over and above the effect of VLBW. Altogether, on a group level, even high-functioning VLBW adults show subtle deficits in psychomotor processing speed, visual working memory, and learning abilities. The sleep studies provided no evidence for differences in sleep quality or duration between the two groups. The VLBW adults were, however, at more than two-fold higher risk for sleep-disordered breathing (in terms of chronic snoring). Given the link between sleep-disordered breathing and health sequelae, these results suggest that VLBW individuals may benefit from an increased awareness among clinicians of this potential problem area. An unexpected finding from the sleep studies was the suggestion of an advanced sleep phase: The VLBW adults went to bed earlier according to the actigraphy registrations and also reported earlier wake-up times on the questionnaire. In further study of this issue in conjunction with the follow-up three years later, the VLBW group reported higher levels of morningness propensity, further corroborating the preliminary findings of an advanced sleep phase. Although the clinical implications are not entirely clear, the issue may be worth further study, since circadian rhythms are closely related to health and well-being. In sum, we believe that increased understanding of long-term outcomes after VLBW, and identification of areas and subgroups that are particularly vulnerable, will allow earlier recognition of potential problems and ultimately lead to improved prevention strategies.

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Acute heart failure (AHF) is a complex syndrome associated with exceptionally high mortality. Still, characteristics and prognostic factors of contemporary AHF patients have been inadequately studied. Kidney function has emerged as a very powerful prognostic risk factor in cardiovascular disease. This is believed to be the consequence of an interaction between the heart and kidneys, also termed the cardiorenal syndrome, the mechanisms of which are not fully understood. Renal insufficiency is common in heart failure and of particular interest for predicting outcome in AHF. Cystatin C (CysC) is a marker of glomerular filtration rate with properties making it a prospective alternative to the currently used measure creatinine for assessment of renal function. The aim of this thesis is to characterize a representative cohort of patients hospitalized for AHF and to identify risk factors for poor outcome in AHF. In particular, the role of CysC as a marker of renal function is evaluated, including examination of the value of CysC as a predictor of mortality in AHF. The FINN-AKVA (Finnish Acute Heart Failure) study is a national prospective multicenter study conducted to investigate the clinical presentation, aetiology and treatment of, as well as concomitant diseases and outcome in, AHF. Patients hospitalized for AHF were enrolled in the FINN-AKVA study, and mortality was followed for 12 months. The mean age of patients with AHF is 75 years and they frequently have both cardiovascular and non-cardiovascular co-morbidities. The mortality after hospitalization for AHF is high, rising to 27% by 12 months. The present study shows that renal dysfunction is very common in AHF. CysC detects impaired renal function in forty percent of patients. Renal function, measured by CysC, is one of the strongest predictors of mortality independently of other prognostic risk markers, such as age, gender, co-morbidities and systolic blood pressure on admission. Moreover, in patients with normal creatinine values, elevated CysC is associated with a marked increase in mortality. Acute kidney injury, defined as an increase in CysC within 48 hours of hospital admission, occurs in a significant proportion of patients and is associated with increased short- and mid-term mortality. The results suggest that CysC can be used for risk stratification in AHF. Markers of inflammation are elevated both in heart failure and in chronic kidney disease, and inflammation is one of the mechanisms thought to mediate heart-kidney interactions in the cardiorenal syndrome. Inflammatory cytokines such as interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-α) correlate very differently to markers of cardiac stress and renal function. In particular, TNF-α showed a robust correlation to CysC, but was not associated with levels of NT-proBNP, a marker of hemodynamic cardiac stress. Compared to CysC, the inflammatory markers were not strongly related to mortality in AHF. In conclusion, patients with AHF are elderly with multiple co-morbidities, and renal dysfunction is very common. CysC demonstrates good diagnostic properties both in identifying impaired renal function and acute kidney injury in patients with AHF. CysC, as a measure of renal function, is also a powerful prognostic marker in AHF. CysC shows promise as a marker for assessment of kidney function and risk stratification in patients hospitalized for AHF.

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I denna pro gradu avhandling undersöker jag Jokela-fallets diskursiva efterdyningar utgående från ett moralpanikperspektiv. Syftet är att se huruvida reaktionerna på och förklaringarna till skolmassakern i Jokela kan anses präglas av moralpanik, samt vilka andra förklaringsmodeller som präglade den omfattande Jokela-debatten. Avhandling grundar sig på en kvalitativ diskursanalys av förklaringsmodellerna så som de presenterades i opinionstexter och insändare i Helsingin Sanomat hösten 2007. Jag analyserar hur den medierade Jokela-debatten utvecklades och formade perceptionerna om skolskjutningar, ungdomar och det finländska samhällstillståndet i stort. Jokela-fallet väckte starka reaktioner och rädsla. Man försökte förstå och förklara orsakerna till skottdramat. Flera olika förklaringsmodeller presenterades i medierna; en oro över ungdomens mentala hälsa och mobbning, webbens och populärkulturens farliga inflytande, det hårdnade samhällsklimatet och en försvagad välfärd, också den bristfälliga vapenlagstiftningen kritiserades. Den gemensamma nämnaren var att Jokela-fallet uppfattades som en indikator på hela samhällets tillstånd där en gemensam värdegrund och moral håller på att erodera. Mitt teoretiska perspektiv grundar sig främst på moralpanikteorier av Stanley Cohen och Chas Critcher som jag kopplar ihop med Ulrich Becks teori om risksamhället och Emile Durkheims anomiteori. Det här speglar jag mot bland annat Hille Koskelas forskning om rädslans kultur och trygghetssamhället, samt jämför med amerikansk forskning om skolskjutningar. Jokela-debatten formades främst av två dominerande diskurser: a) en rationaliseringsdiskurs som kännetecknas av att man försöker förklara Jokela-fallet genom förnuftsmässiga och logiska resonemang genom att peka på olika samhällsaspekter, b) en risk- och kontrolldiskurs som kännetecknas av moralpaniktendenser främst i form av oro över ungdomar, internet och försvagade samhällsnormer, samt krav på ökad social kontroll och reglering för att säkra trygghet och ordning i samhället. Jokela-fallet var inte ett klassiskt moralpanikfall, men fyllde många av kriterierna för moralpanik. Jokela-debatten uttryckte en rädslans kultur som genomsyrar dagens risksamhälle och som legitimerar ökad riskhantering och social kontroll, som försvar mot de hot och problem som samhället kollektivt upplever. Det ställdes krav på mera social kontroll och reglering på grund av upplevda hot mot samhällets normer och en försvagad moral, vilket är ett uttryck för moralpanik. Jokela-fallets diskursiva efterdyningar visar att tryggheten har blivit ett moraliskt imperativ. Trygghet har blivit något vi förutsätts eftersträva och som vi är färdiga att betala ett allt högre pris för, både mätt i pengar och i frihet.

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Stick-slip is usually observed in driven dissipative threshold systems. In these set of lectures, we discuss, some generic and system specific features of stickslip systems by considering a few examples wherein there has been some progress in understanding the associated dynamics. In most stick slip systems, both at low and high drive rates, the system slides smoothly, but within a window of drive rates, the motion becomes intermittent; the system alternately “sticks” till the stress builds up to a threshold value, and then “slips” when the stress is rapidly released. This intermittent motion can be traced to the existence of an unstable branch separating the two resistive branches in the force-drive-rate relation. While the two resistive branches are experimentally measurable, the unstable branch is usually not measurable and is only inferred.

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Biofunctionalization of noble metal nanoparticles like Ag, Au is essential to obtain biocompatibility for specific biomedical applications. Silver nanciparticles are being increasingly used in bio-sensing applications owing to excellent optoelectronic properties. Among the serum albumins, the most abundant proteins in plasma, a wide range of physiological functions of Bovine Serum Albumin (BSA) has made it a model system for biofunctionalization. In absence of adequate prior reports, this study aims to investigate the interaction between silver nanoparticles and BSA. The interaction of BSA [0.05-0.85% concentrations] with Ag nanoparticles [50 ppm concentration] in aqueous dispersion was Studied through UV-vis spectral changes, morphological and surface structural changes. At pH 7, which is More than the isoelectric point of BSA, a decrease in absorbance at plasmon peak of uninteracted nanciparticles (425 mn) was noted till 0.45% BSA, beyond that a blue shift towards 410 urn was observed. The blue shift may be attributed to enhanced electron density on the particle surfaces. Increasing pH to 12 enhanced the blue shift further to 400 rim. The conformational changes in BSA at alkaline pH ranges and consequent hydrophobic interactions also played an important role. The equilibrium adsorption data fitted better to Freundlich isotherm compared to Langmuir Curve. The X-ray diffraction study revealed complete coverage of Ag nanoparticles by BSA. The scanning electron microscopic study of the interacted nanoparticles was also carried Out to decipher morphological changes. This study established that tailoring the concentration of BSA and pH of the interaction it was possible to reduce aggregation of nanoparticles. Biofunctionalized Ag nanoparticles with reduced aggregation will be more amenable towards bio-sensing applications. (C) 2009 Elsevier B.V. All rights reserved.

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Nyttighetsmodellskydd är avsett för sådana tekniska uppfinningar som inte har den uppfinningshöjd som förutsätts för patentskydd. Samtidigt är en av lagstiftningens målsättningar att skyddet tack vare en förenklad registreringsprocess skall fungera som ett ”snabbare, billigare och enklare” alternativ till patentskyddet. Skyddsformen anses kunna ha flera viktiga funktioner i dagens kunskapsbaserade samhälle. Samtidigt är den dock kontroversiell. För det första erbjuder den skydd för uppfinningar som, enligt principerna bakom patenträttens uppfinningshöjd, faller inom området för normal teknikutveckling och följaktligen inte skall skyddas med ensamrätter. För det andra innebär det förenklade registreringsförfarandet att en ansökan om nyttighetsmodellskydd inte är föremål för samma ingående prövning som en patentansökan. Oprövade rättigheter anses skapa osäkerhet på marknaden, eftersom man inte med säkerhet kan veta vad som är skyddat. Syftet med avhandlingen är att kritiskt utvärdera huruvida nyttighetsmodellskyddet i sin nuvarande utformning utgör ett ändamålsenligt innovationsskydd. Argumentationen förs med stöd av den kunskap som erhålles genom att analysera skyddsformen ur olika perspektiv.

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Inom rättsvetenskap saknas grundforskning om kyrkoskatt. Det kan ha många orsaker. En renodlad skatterättslig forskning utan exkurser till andra vetenskaper är minst sagt otänkbar. Forskning inom ett gränsområde mellan teologi och rättsvetenskap måste inkludera drag av sociologi, politologi och ekonomi. Etik från teologi och moral genom lag kan vara självklart. Förankrad i liberal rättsfilosofi kan också beskattningen förstås på ett annat sätt om en förankring i ett historiskt perspektiv tas med. Den evangelisk-lutherska kyrkan och den ortodoxa kyrkan har skatterätt i Finland. Hur har det kommit sig och vilken rätt har andra trossamfund? Detta försöker vi här belysa genom skilda infallsvinklar. Laglig reglering av offentligrättsliga samfunds skatteintag, med kyrkans uppgifter med tydligt mindre lagbundenhet som utgiftsfält, ger de sociala aspekterna och barmhärtighet stort inflytande. En tidvis sekulär stat och de nationella bindningarna med historisk förankring ger ett konglomerat av skilda lösningsmodeller. Genom olika förankringar i skilda kulturer och språk kan en nationell kutym uppstå som skiljer sig mycket från andra. Dessutom kan speciella juridiska egenheter upptäckas. Vilken nationell modell man i en demokrati väljer, styrs av de politiskt stadfästa lagarna. Oberoende av kyrkans nationella ställning, ökar en större liberalism och fördragsamhet i en demokrati behovet av anpassning och nationell acceptans av andra religioner, vilket kan leda till ett behov av nya finansieringsmodeller för trossamfund.

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I boken behandlas nya kommunikationstekniker och olika marknadsföringsmetoder som har uppkommit till följd av den tekniska utvecklingen. Marknadsföring via de nya kommunikationskanalerna har givit upphov till vissa olägenheter för mottagarna. Olägenheterna som mottagarna förorsakas vid marknadsföring via de nya teknikerna kan delas in i tre kategorier; 1) meddelandet förorsakar kostnader för mottagaren, 2) meddelandet hindrar mottagaren samt 3) meddelandet upplevs vara påträngande och utgöra ett intrång i mottagarens privatliv. Under de senaste åren har det förekommit hektiska lagstiftningsåtgärder på många håll i världen. Såväl enskilda stater, nationella myndigheter samt internationella organisationer har utarbetat regler om marknadsföring via de nya teknikerna. En av kärnfrågorna i regleringen är huruvida man skall ha ett system med ”opt-in” eller ”opt-out”. En opt-in-lösning innebär att marknadsföraren måste inhämta mottagarens samtycke på förhand, medan en opt-out-lösning innebär att det är tillåtet att sända marknadsföring om inte mottagaren motsatt sig detta. Enligt gällande lagstiftning faller marknadsföring via följande tre tekniker under opt-in: automatiserade uppringningssystem, telefax samt e-post. Det huvudsakliga syftet med avhandlingen är att utreda om nuvarande opt-in-lista är tillräckligt omfattande med beaktande av de olägenheter som marknadsföring via de nya teknikerna förorsakar, eller om den bör utvidgas. I genomgången av marknadsföring via nya tekniker har marknadsföring via bl.a. följande tekniker undersökts: Internet (www-sidor), reklamfönster, reklambanner, e-post, mobiltelefon, telefax, bloggar, RSS, Instant Messaging samt Internettelefoni. Vid sidan av nya tekniker har även vissa ”traditionella” marknadsföringsmetoder undersökts, i syfte att utreda huruvida även de bör falla in under en opt-in-lösning. De traditionella marknadsföringsmetoder som ingår i avhandlingen är hemförsäljning, telemarketing, TV- och radioreklam samt adresserad och oadresserad direktreklam. En annan central del i avhandlingen är frågan hur påföljdssystemet vid överträdelser av opt-in-bestämmelserna bör utformas. Hur skall de enskilda mottagarna få ersättning för de kostnader de åsamkats av marknadsföringen? Är det dags att införa straffskadestånd i Finland? Hög tid att även Finland får grupptalan? Kan tvisterna avgöras virtuellt via domstolar on-line eller ODR?