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Träfflista för sökning "hsv:(SAMHÄLLSVETENSKAP) hsv:(Ekonomi och näringsliv) hsv:(Nationalekonomi) ;pers:(Hultkrantz Lars 1952)"

Sökning: hsv:(SAMHÄLLSVETENSKAP) hsv:(Ekonomi och näringsliv) hsv:(Nationalekonomi) > Hultkrantz Lars 1952

  • Resultat 1-10 av 106
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1.
  • Mantalos, Panagiotis, 1956-, et al. (författare)
  • Estimating 'gamma' for tail-hedge discount rates when project returns are cointegrated with GDP
  • 2018
  • Ingår i: Applied Economics. - : Routledge. - 0003-6846 .- 1466-4283. ; 50:37, s. 4074-4085
  • Tidskriftsartikel (refereegranskat)abstract
    • Martin Weitzman has suggested a method for calculating social discount rates for long-term investments when project returns are covariant with consumption or other macroeconomic variables, so-called tail-hedge discounting'. This method relies on a parameter called real project gamma' that measures the proportion of project returns that is covariant with the macroeconomic variable. We compare two approaches for estimation of this gamma when the project returns and the macroeconomic variable are cointegrated. First, we use Weitzman's own approach, and second a simple data transformation that keeps gamma within the zero to one interval. In a Monte-Carlo study, we show that the method of using a standardized series is better and robust under different data-generating processes. Both approaches are examined in a Monte-Carlo experiment and applied to Swedish time-series data from 1950-2011 for annual time-series data for rail freight (a measure of returns from rail investments) and GDP.
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2.
  • Ackum, Susanne, et al. (författare)
  • Vi tar fram en handfast plan för en omstart av Sverige
  • 2020
  • Ingår i: Dagens Nyheter. - 1101-2447. ; :27 april
  • Tidskriftsartikel (populärvet., debatt m.m.)abstract
    • Det är /.../ fullt möjligt att tänka strategiskt och systematiskt även i brinnande kris. Omstartskommissionen hoppas kunna bidra till fokus, analys och konkreta policyförslag för att stödja Sveriges långsiktiga inriktning. Vi kommer att under våren och sommaren anordna seminarier och hearings om vårt arbete, delrapporter ska läggas fram – och när budgetarbetet börjar och Riksdagen öppnar, vill vi kunna bidra med en rejäl och handfast plan för hur vi omstartar Sverige.
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3.
  • Andersson, Henrik, et al. (författare)
  • Economic Analysis and Investment Priorities in Sweden's Transport Sector
  • 2018
  • Ingår i: Journal of Benefit-Cost Analysis. - : Cambridge University Press. - 2194-5888 .- 2152-2812. ; 9:1, s. 120-146
  • Tidskriftsartikel (refereegranskat)abstract
    • Beginning as a planning tool within Sweden's national road administration some 50 years ago, benefit-cost analysis (BCA) has come to be a pillar of the national transport policy because of subsequent strategic choices made by the national parliament. These choices made it necessary to widen the analysis of costs to include also externalities and a foregone conclusion was that efficient investment priorities should be made based on BCA. But no one asked whether the political decision makers or the BCA models were up to that task. This paper reviews the institutional framework and practice of BCA in Sweden for transport infrastructure investment, and considers design issues that have been and still are debated, such as whether the discount rate should include a risk term and how to account for the marginal cost of public funds. A main concern with BCA results is the underestimation of construction costs, making transport sector projects look better than they are. Several ex post analyses have established that a higher NPV ratio increases the probability of being included in the investment program proposal prepared by the agency. The requirement to let projects undergo BCA seems to make planners trim project proposals by trying to reduce investment costs without significantly reducing benefits. This relationship is weaker among profitable projects. Moreover, there is no correlation between rate of return and the probability of being included in the final program, which is established on political grounds.
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5.
  • Andersson Järnberg, Linda, 1969-, et al. (författare)
  • Willingness to pay for private and public improvements of vulnerable road users’ safety
  • 2021
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • A frequent finding in the empirical literature on cost-benefit analysis of traffic safety measures is that valuations of public goods are lower than valuations of private goods, contrary to theory predictions. This study elicits the willingness to pay for publicly and privately provided safety improvement benefiting cyclists and pedestrians, a relatively neglected group in this literature. Our results suggest that there is no significant difference between valuations of a private good and three versions of a public good as long as the good itself is the same, in our case a mobile phone app. The public good versions differ in attributes such as mandatory or voluntary use and private or public provision institutions. This finding is consistent with the simultaneous presence of both financial altruism and safety altruism, or neither. Public institutions are preferred to private ones in the provision of the public goods, and voluntary participation is preferred to mandated regulation. We also find evidence that attitudes that favor using taxes to fund traffic safety projects, and public responsibility for traffic safety are associated with a higher willingness to pay.
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