Optimizing fixed targets in organizations through simulation

Hupman, Andrea C.; Abbas, Ali E.

doi:10.1109/wsc.2014.7019958

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2021

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“…Risk aversion is a non-negative number. For example, Hupman and Abbas (2014) set the risk aversion from 0 to 2. This parameter denotes the risk appetite of an investor.…”

Section: Task Formulationmentioning

confidence: 99%

Risk-aware Regularization for Opinion-based Portfolio Selection

Hsu

Chen

Huang

et al. 2021

ICWSM

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Every investor faces the risk-return tradeoff when making investment decisions. Most of the investors construct a portfolio instead of putting all of their wealth on a certain stock. However, most of the previous works in the NLP community focus on predicting the movement of stocks' prices or volatilities, but do not consider the portfolio selection issue. On the other hand, few works consider unstructured data in the financial community when dealing with this issue. This paper introduces a novel opinion-based portfolio selection task, and proposes new objective functions presenting different risk appetites of investors. The empirical studies of the selecting portfolio are also discussed with both Sharpe ratio and volatility metrics.

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“…Risk aversion is a non-negative number. For example, Hupman and Abbas (2014) set the risk aversion from 0 to 2. This parameter denotes the risk appetite of an investor.…”

Section: Task Formulationmentioning

confidence: 99%