Sökning: "Positive Checks"

Visar resultat 1 - 5 av 7 avhandlingar innehållade orden Positive Checks.

  1. 1. Malthusian Progress

    Författare :Jacob Weisdorf; Ekonomisk-historiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Social Mobility; Preventive Checks; Positive Checks; Industrial Revolution; French Revolution; Mortality; Longevity; Malthusian Model; Fertility; Industrious Revolution ; Economic Growth;

    Sammanfattning : Some scholars maintain that pre-industrial England was held in a Malthusian ‘trap’, and that this trap prevented the sustained growth of real wages until as late as 1800. Opponents to this view argue that the structural transformations occurring in preindustrial England – urbanization, labour reallocation between sectors, and human capital investments – are features of development that are incompatible with the idea of Malthusian stagnation. LÄS MER

  2. 2. Learning of Timed Systems

    Författare :Olga Grinchtein; Bengt Jonsson; Oded Maler; Uppsala universitet; []
    Nyckelord :learning regular languages; timed systems; event-recording automata;

    Sammanfattning : Regular inference is a research direction in machine learning. The goal of regular inference is to construct a representation of a regular language in the form of deterministic finite automaton (DFA) based on the set of positive and negative examples. LÄS MER

  3. 3. Essays on Cognitive Development and Medical Care

    Författare :Mattias Öhman; Matz Dahlberg; Erik Grönqvist; Louise von Essen; Martin Karlsson; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Fluoride; Cognitive ability; Non-cognitive ability; Income; Education; Employment; Dental health; Mortality; Information; Health; Screening; Abdominal aortic aneurysm; Myocardial infarction; Antidepressants; SSRI; Propensity score matching; Economics; Nationalekonomi;

    Sammanfattning : This thesis consists of four self-contained papers.Essay I (with Linuz Aggeborn): Fluoridation of the drinking water is a public policy whose aim is to improve dental health. Although the evidence is clear that fluoride is good for dental health, concerns have been raised regarding potential negative effects on cognitive development. LÄS MER

  4. 4. What Drives Exports? Empirical Evidence at the Firm Level

    Författare :Viroj Jienwatcharamongkhol; Nationalekonomiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; firm-level exports; distance effect; import; productivity; innovation;

    Sammanfattning : The aim of this thesis is to the understand how firms engage in exporting, particularly in consideration of three aspects—product type, past trade experience, and investments in innovation activities. It consists of one introductory chapter and three independent papers relating to determinants of firms’ exporting. LÄS MER

  5. 5. Inputs and Incentives in Education

    Författare :J. Lucas Tilley; Helena Holmlund; Olmo Silva; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; adult education; human capital; performance incentives; school resources; student achievement; teacher credentials; teacher sorting; Economics; Nationalekonomi;

    Sammanfattning : Essay I.  Educational interventions that increase the quality or quantity of school resources may have a limited impact on student achievement if students lack sufficient effort or motivation. A more effective way of raising achievement could be incentivizing students to perform well in school. LÄS MER