Suchergebnisse

Alle Kapitel dieser Doktorarbeit beleuchten das Thema Aktienfaktoren, allerdings aus unterschiedlichen Perspektiven. Das zentrale Ziel ist es, zum Verständnis von einigen der ältesten und anerkanntesten Aktienfaktoren beizutragen. Das erste Kapitel geht über die Vorhersagbarkeit von Aktienfaktorrenditen. Aktienfaktorrenditen lassen sich teilweise schätzen, insbesondere der Low Beta Faktor. Diese Vorhersagbarkeit wird über Faktoren hinweg durch eine gemeinsame Komponente getrieben. Diese gemeinsame Komponente steht teilweise mit dem Konjunkturzyklus in Beziehung. Das zweite Kapitel diskutiert Portfolioanpassungen und inwiefern diese zu Aktienfaktoren in Beziehung stehen. Die Veränderung der Rebalancing- und der Portfoliorekonstitutionsfrequenz führt zu ausgeprägten Mustern in den Faktorladungen. Diese Muster sind zwischen Rebalancing und Portfoliorekonstitution symmetrisch und bedingt durch die zyklische Natur der Portfolioanpassungen. Makroökonomische Variablen können dazu beitragen, die Renditevariabilität der Portfolioanpassungen zu erklären. Das dritte Kapitel analysiert die Diversifikationseigenschaften von Länderaktienfaktoren über sechs Faktoren und zwanzig Länder hinweg. Sowohl über die Länder- als auch die Faktordimension lassen sich ausgeprägte Diversifikationsvorteile erkennen.

Purpose
– This paper aims to investigate the return links and volatility transmission between five major equity markets of the Latin American region and the USA over the period 1993-2012.


Design/methodology/approach
– The authors employ a multivariate vector autoregressive moving average – generalized autoregressive conditional heteroskedasticity (VAR-GARCH) methodology which allows for cross-market transmissions in both return and volatility. Moreover, we show how the obtained results can be used to design internationally diversified portfolios involving the Latin American assets and to analyze the effectiveness of hedging strategies.


Findings
– The results point to the existence of substantial cross-market return and volatility spillovers and are thus crucial for international portfolio management in the Latin American region. However, the intensity of shock and volatility cross effects varies across the studied markets.


Research limitations/implications
– The optimal weights and hedging ratios that we compute from the observed return and volatility spillovers, suggest that adding the Latin American assets helps improve the risk-adjusted return of the internationally diversified portfolios as well as reduce their risk exposure. For policymakers and market authorities, an increase in the level of shock interactions and volatility transmission between the US and Latin American equity markets as well as among these Latin American markets implies that the stability of the financial system in one country can be deeply affected by the disturbances in another country.


Originality/value
– The authors extend the previous works on Latin American emerging markets by examining the extent of shock and volatility transmission as well as portfolio design and management from the point of view of both the US (global) and Latin American investors.

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