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Essays on the Macroeconomics of Climate Change
Stockholms universitet, Samhällsvetenskapliga fakulteten, Nationalekonomiska institutionen. Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutet för internationell ekonomi.
2012 (Engelska)Doktorsavhandling, monografi (Övrigt vetenskapligt)
Abstract [en]

This thesis consists of three essays on macroeconomic aspects of climate change.

Technological Trends and the Intertemporal Incentives For Fossil-Fuel Use analyzes how (the expectations about) the future developments of different kinds of technology affect the intertemporal incentives for fossil-fuel use. I find that improvements in the future state of technologies for alternative-energy generation, energy efficiency and total factor productivity all increase fossil-fuel use before the change takes place. The effect of changes in the efficiency of non-energy inputs is the reverse, while the effect of changes in fossil-fuel based energy technology is ambiguous. These conclusions are robust to a number of variations of the assumptions made.

The Role of the Nature of Damages considers to what extent the choice of modeling climate impacts as affecting productivity, utility or the depreciation of capital affects the behavior of integrated assessment models. I carry out my analysis in two different ways. Firstly, under some simplifying assumptions, I derive a simple formula for the optimal tax on fossil-fuel use that adds up the three different types of climate effects. Secondly, I use a two-period model with exogenous climate to analyze how the allocation of fossil-fuel use over time is affected by the effects of climate change. I find that this is sensitive to the assumptions made.

Indirect Effects of Climate Change investigates how direct effects of climate change in some countries have indirect effects on other countries going through changing world market prices of goods and financial instruments. When calculating the total effects of climate change, these indirect effects must also be taken into account. I first derive these indirect effects in a many-country model. Reaching agreements about reductions in the emissions of greenhouse gases is made difficult by the negative correlation there seems to be between emissions of greenhouse gases and the vulnerability to climate change. I argue, based on a stylized two country example, that trade in goods will tend to make the countries' interests more aligned while trade in financial instruments will tend to make the countries' interests less aligned.

Ort, förlag, år, upplaga, sidor
Stockholm: Department of Economics, Stockholm University , 2012. , s. 191
Serie
Monograph series / Institute for International Economic Studies, University of Stockholm, ISSN 0346-6892 ; 74
Nyckelord [en]
climate change, optimal taxation, neoclassical growth model, trade
Nationell ämneskategori
Nationalekonomi
Forskningsämne
nationalekonomi
Identifikatorer
URN: urn:nbn:se:su:diva-74555ISBN: 978-91-7447-500-5 (tryckt)OAI: oai:DiVA.org:su-74555DiVA, id: diva2:517634
Disputation
2012-06-01, William-Olssonsalen, Geovetenskapens hus, Svante Arrhenius väg 14, Stockholm, 10:00 (Engelska)
Opponent
Handledare
Tillgänglig från: 2012-05-10 Skapad: 2012-03-16 Senast uppdaterad: 2022-02-24Bibliografiskt granskad

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Gars, Johan
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Nationalekonomiska institutionenInstitutet för internationell ekonomi
Nationalekonomi

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