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Aki Lehtinen [12]Aki Petteri Lehtinen [2]
  1. Aki Lehtinen, Uskali Mäki & Caterina Marchionni (2014). Introduction to the Special Issue: Papers From the IX INEM Conference in Helsinki. Journal of Economic Methodology 21 (1):1-2.
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  2. Aki Lehtinen (2013). On the Impossibility of Amalgamating Evidence. Journal for General Philosophy of Science 44 (1):101-110.
    It is argued in this paper that amalgamating confirmation from various sources is relevantly different from social-choice contexts, and that proving an impossibility theorem for aggregating confirmation measures directs attention to irrelevant issues.
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  3. Aki Lehtinen (2013). Preferences as Total Subjective Comparative Evaluations. Journal of Economic Methodology 20 (2):206-210.
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  4. Aki Lehtinen (2013). Three Kinds of 'as-If' Claims. Journal of Economic Methodology 20 (2):184-205.
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  5. Jaakko Kuorikoski, Aki Lehtinen & Caterina Marchionni (2012). Robustness Analysis Disclaimer: Please Read the Manual Before Use! Biology and Philosophy 27 (6):891-902.
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  6. Aki Petteri Lehtinen, Jaakko Kuorikoski & Petri Ylikoski (eds.) (2012). Economics for Real: Uskali Mäki and the Place of Truth in Economics. Routledge.
    This book provides the first comprehensive and critical examination of Mäki's realist philosophy of economics.
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  7. Tarja Knuuttila & Aki Petteri Lehtinen (eds.) (2010). Representaatio: Tiedon Kivijalasta Tieteiden Työkaluksi. Gaudeamus Helsinki University Press.
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  8. Jaakko Kuorikoski & Aki Lehtinen (2009). Incredible Worlds, Credible Results. Erkenntnis 70 (1):119 - 131.
    Robert Sugden argues that robustness analysis cannot play an epistemic role in grounding model-world relationships because the procedure is only a matter of comparing models with each other. We posit that this argument is based on a view of models as being surrogate systems in too literal a sense. In contrast, the epistemic importance of robustness analysis is easy to explicate if modelling is viewed as extended cognition, as inference from assumptions to conclusions. Robustness analysis is about assessing the reliability (...)
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  9. Aki Lehtinen (2009). Intentions in Invisible-Hand Accounts. Journal of Economic Methodology 16 (4):409-416.
    N. Emrah Aydinonat's account of the invisible-hand is analysed. One of the conditions for unintended social consequences is it requires that individuals' intentions are exclusively directed at the individual level. This condition is weakened in order to accommodate cases in which individuals may also aim at consequences at the social level but the model clearly depicts the invisible hand. Lehtinen's model of counterbalancing strategic votes is proposed as an example that satisfies Aydinonat's conditions, if they are modified as suggested.
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  10. Jaakko Kuorikoski, Aki Lehtinen & Caterina Marchionni, Economics as Robustness Analysis.
    All economic models involve abstractions and idealisations. Economic theory itself does not tell which idealizations are truly fatal or harmful for the result and which are not. This is why much of what is seen as theoretical contribution in economics is constituted by deriving familiar results from different modelling assumptions. If a modelling result is robust with respect to particular modelling assumptions, the empirical falsity of these particular assumptions does not provide grounds for criticizing the result. In this paper we (...)
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  11. Aki Lehtinen, A Farewell to IIA.
    Arrow's Independence of Irrelevant Alternatives (IIA) has been under criticism for decades for not taking account of preference intensities. Computer-simulation results by Aki Lehtinen concerning strategic voting under various voting rules show that this intensity argument does not need to rest on mere intuition. Voters may express intensities by voting strategically, and that this has beneficial aggregate-level consequences: utilitarian efficiency is higher if voters engage in strategic behaviour than if they always vote sincerely. Strategic voting is thus unambiguously beneficial under (...)
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  12. Aki Lehtinen (2007). The Welfare Consequences of Strategic Voting in Two Commonly Used Parliamentary Agendas. Theory and Decision 63 (1):1-40.
    This paper studies the welfare consequences of strategic voting in two commonly used parliamentary agendas by comparing the average utilities obtained in simulated voting under two behavioural assumptions: expected utility maximising behaviour and sincere behaviour. The average utility obtained in simulations is higher with expected utility maximising behaviour than with sincere voting behaviour under a broad range of assumptions. Strategic voting increases welfare particularly if the distribution of preference intensities correlates with voter types.
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  13. Aki Lehtinen & Jaakko Kuorikoski (2007). Computing the Perfect Model: Why Do Economists Shun Simulation? Philosophy of Science 74 (3):304-329.
    Like other mathematically intensive sciences, economics is becoming increasingly computerized. Despite the extent of the computation, however, there is very little true simulation. Simple computation is a form of theory articulation, whereas true simulation is analogous to an experimental procedure. Successful computation is faithful to an underlying mathematical model, whereas successful simulation directly mimics a process or a system. The computer is seen as a legitimate tool in economics only when traditional analytical solutions cannot be derived, i.e., only as a (...)
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  14. Aki Lehtinen & Jaakko Kuorikoski (2007). Unrealistic Assumptions in Rational Choice Theory. Philosophy of the Social Sciences 37 (2):115-138.
    The most common argument against the use of rational choice models outside economics is that they make unrealistic assumptions about individual behavior. We argue that whether the falsity of assumptions matters in a given model depends on which factors are explanatorily relevant. Since the explanatory factors may vary from application to application, effective criticism of economic model building should be based on model-specific arguments showing how the result really depends on the false assumptions. However, some modeling results in imperialistic applications (...)
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