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The seminal work by Markowitz in 1959 introduced portfolio theory to the world. The prevailing notion since then has been that portfolio risk is non linear i.e. you cannot use Linear Programming (LP) to optimize your portfolio. We will in this paper show that simple portfolio drawdown...
Persistent link: https://www.econbiz.de/10010079544
Although bonds are less volatile than equities and the median bond fund holds about 200 bonds, bond investors still need to hold more than one bond fund to realize the optimal benefit of diversification. The simulation results show that three to five bond funds reduce standard deviation of...
Persistent link: https://www.econbiz.de/10010118434
The goal of this paper is to present an original and simple analysis aimed to understand why investing in capital markets can be very dangerous for "naive investors". Stock markets display often exploding volatility. They are characterized by instability and subject to external shocks. If...
Persistent link: https://www.econbiz.de/10010009044
This paper analyzes the determinants of governance transparency. In our model, entrepreneurs optimally decide the precision of their earning reporting by trading off the possibility of expropriating profits against the capacity to attract external funding.We find that information is only...
Persistent link: https://www.econbiz.de/10010148154
This paper shows that the observed output of any market, placed within the confine of a quadratic map, can characterize the state of that market. Such an approach explains the process of market share’s growth and its pitfalls, the consequences of broken symmetry of scaling, as well as the...
Persistent link: https://www.econbiz.de/10010097689
Portfolio Theory has during many decades been considered as the holy grail of investment despite the fact that very few empirical studies in the public domain have shown that portfolio theory outperforms a random equal weighted portfolio. We will in this paper empirically investigate how...
Persistent link: https://www.econbiz.de/10010148028
This study investigated companies publicly listed in Taiwan from 2002 to 2010 to examine whether independent directors improve the quality of earnings and analyzed whether the control rights of a controlling shareholder mitigate the impact of independent directors on earnings quality. Empirical...
Persistent link: https://www.econbiz.de/10010148040
After the 2008 financial crash governments and central banks had to rescue banks which had become insolvent or illiquid, and whose failure threatened the Western financial system. The bill for this taxpayer funded bailout came to over USD 20 trillion globally, including assistance from US, EU,...
Persistent link: https://www.econbiz.de/10010058673
This contribution studies the application of heteroskedasticity robust estimation of Vector-Autoregressive (VAR) models. VAR models have become one of the most applied models for the analysis of multivariate time series. Econometric standard software usually provides parameter estimators that...
Persistent link: https://www.econbiz.de/10010079546
I/O models have been widely used to assess the impacts of many changes in an economy. An I/O model is also an important tool to make forecasts and the results from an I/O model are very helpful in many policy-making processes. Many scientific findings in economics have to give credit to the I/O...
Persistent link: https://www.econbiz.de/10010079553