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Dynamic Consumption and Portfolio Decisions with Time Varying Asset Returns

Titelangaben

Semmler, Willi ; Grüne, Lars ; Öhrlein, Caroline:
Dynamic Consumption and Portfolio Decisions with Time Varying Asset Returns.
In: The Journal of Wealth Management. Bd. 12 (2009) Heft 2 . - S. 21-47.
ISSN 2374-1368
DOI: https://doi.org/10.3905/jwm.2009.12.2.021

Abstract

Recently research in financial economics has studied consumption and portfolio decisions, where investment opportunities change over time. This type of work originates in Merton (1971, 1990) who has used the Bellman equation to solve the consumption as well as asset allocation decisions for one state and two choice variables. Campbell and Viceira (1999, 2002) study consumption and portfolio decisions in various models with time varying expected returns by assuming that new investment opportunities are not only arising from changing interest rates, but also from time varying risk premia. They have approximated such a dynamic decision model under the assumption that the consumption-wealth ratio should not vary too much. In this paper, we study dynamic consumption and portfolio decisions by using dynamic programming which allows to compute, with sufficient accuracy, the decision variables and the consumption-wealth ratio at any point of the state space. The dynamic decision problem is first analytically and numerically solved for a simple model with constant returns. Then we solve a model with dynamic consumption and portfolio decisions when time varying returns are calibrated from the low frequency components of US time series financial data. The implications of the change of investor's risk aversion, the change of returns and the time horizon are explored for the consumption decisions, the consumption-wealth ratio, the asset allocation and the path of wealth. The numerical results are based on C. Öhrleins Diploma thesis.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Institutionen der Universität: Fakultäten > Fakultät für Mathematik, Physik und Informatik > Mathematisches Institut > Lehrstuhl Mathematik V (Angewandte Mathematik) > Lehrstuhl Mathematik V (Angewandte Mathematik) - Univ.-Prof. Dr. Lars Grüne
Fakultäten
Fakultäten > Fakultät für Mathematik, Physik und Informatik
Fakultäten > Fakultät für Mathematik, Physik und Informatik > Mathematisches Institut
Fakultäten > Fakultät für Mathematik, Physik und Informatik > Mathematisches Institut > Lehrstuhl Mathematik V (Angewandte Mathematik)
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 510 Mathematik
Eingestellt am: 24 Feb 2021 08:21
Letzte Änderung: 23 Mär 2021 09:12
URI: https://eref.uni-bayreuth.de/id/eprint/63396