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Visar resultat 11 - 15 av 290 avhandlingar som matchar ovanstående sökkriterier.

1. 11. Firm dynamics and competition in the electricity market

   Författare :Aili Tang; Lars Hultkrantz; Magnus Lodefalk; Niklas Jakobsson; Robert Lundmark; Örebro universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Firm growth; profitability; steady-state; market power; competition; Boone indicator;

   Sammanfattning : This thesis consists of four independent essays that deal with the firm dynamics and competition in the electricity market. Specifically, it addresses two important facets of firm dynamics, namely, firm performance (growth and profitability) and the change in competition intensity that Swedish electricity firms face, brought by the process of deregulation in Swedish electricity market. LÄS MER

3. 12. Essays on systemic risk and financial market volatility

   Författare :Dominika Krygier; Nationalekonomiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; systemic risk; Volatility; Volatility forecasting; Bitcoin; implicit guarantees; Financial stability; Leverage; Value-at-Risk; CoVaR; networks; Centrality; interconnectedness; Financial crisis; Stock market; Banks; Financial Markets;

   Sammanfattning : This doctoral thesis consists of four independent research papers. All papers are empirical and cover the area of financial market risk, with a particular focus on systemic risk and volatility in financial markets. LÄS MER

4. 13. Essays on Credit Risk

   Författare :Caren Guo Nielsen; Nationalekonomiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Asset pricing; equity returns; size effect; value effect; momentum effect; credit risk effect; credit default swap; banks; asset risk; credit risk; portfolio choice; risk-based capital regulation; bank bailouts; moral hazard; distress risk; capital injections; TARP; CPP; market discipline; financial crisis;

   Sammanfattning : This dissertation covers the issues related to credit risk that stem from the recent financial crisis and that are concerned by investors, financial intermediaries, and governments. The results of the research have important implications for asset managers, such as using the information from the credit risk market to rebalance stock portfolios, and for policy makers in regulating or bailing out banks. LÄS MER

5. 14. Essays on International Trade, Productivity and Firm Heterogeneity

   Författare :Anders Åkerman; Rikard Forslid; Diego Puga; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Agglomeration; productivity; firm heterogeneity; export processing zones; firm dynamics; market size; beachhead costs; natural experiment; Economics; Nationalekonomi; Economics; nationalekonomi;

   Sammanfattning : The thesis consists of three papers, summarized as follows.”Trade, Intra-Industry Reallocations and Aggregate Productivity: A Bridge between Theory and Data in Öresund”The paper aims at estimating the causal effect of trade liberalisation on aggregate productivity through firm selection as in Melitz (2003). LÄS MER

7. 15. Essays on Trade, Technology and the Organization of Firms

   Författare :Shon Ferguson; Rikard Forslid; Philippe Martin; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; International Trade; Endogenous Technology; Research and Development; Quality Competition; Market Size; Comparative Advantage; Contract Enforcement; Vertical Integration; Economics; Nationalekonomi; Economics; nationalekonomi;

   Sammanfattning : "Endogenous Sunk Costs, Exporting and Heterogeneous Firms" Empirical evidence shows that R&D spending is highly correlated with firm productivity and highly concentrated among large firms. This paper develops a model of quality competition with heterogeneous firms that can explain these patterns. The model makes two new predictions. LÄS MER