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assignment of diversifying assets in order to form efficient portfolios with a higher risk to reward ratio. The objective of this …
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, investments give the same or nearly the same combination of the expected return and total portfolio risk. Economic sectors … characterized by the profitability and business risk are seen to be the portfolio units in terms of the macroeconomic approach from … the portfolio theory developed by Tobin. Total income maximization model and total portfolio risk minimization demonstrate …
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under-explored. We shed light on this issue by estimating the risk-return trade-off in the context of education. If … education is indeed an investment, risk could play an important role in individual educational decisions just as with risky … measures of risk based on the entire distribution of returns to education recovered by our nonparametric models. Our results …
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The crisis caused by the outbreak of COVID-19 revealed the global unpreparedness for handling the impact of a pandemic. In this paper, we present a first quarter chronicle of COVID-19 in Hubei China, Italy and Spain, particularly focusing on infection speed, death and fatality rates. By...
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