In dieser Arbeit setzen wir uns mit den Auswirkungen von Risikobeschränkungen auf das optimale Verhalten eines Investors auseinander, welcher versucht, den erwarteten Endnutzen zu einem festgelegten Zeitpunkt zu maximieren. Dazu kann er ein vorgegebenes Anfangsvermögen in einem Markt...

Spot bitcoin ETFs have been recently approved in the U.S., increasing retail and institutional investors' attention to the crypto space. Still, empirical evidence on whether Bitcoin is an asset that protects investors against inflation is still inconclusive. To contribute to this debate, we...

Despite scarcity being central to economics, the scarcity of brain’s internal resources has largely been ignored. Neuroscience research increasingly points to the brain evolving as a prediction engine in response to this internal-resource scarcity. The brain meets every situation with...

Despite scarcity being central to economics, the scarcity of brain’s internal resources has largely been ignored. Neuroscience research increasingly points to the brain evolving as a prediction engine in response to this internal-resource scarcity. The brain meets every situation with...

Through an empirical analysis of the impact of fluctuations in the international prices of crude oil, natural gas ‎and wheat on the US stock market performance, the study seeks to show evidence of the investor social ‎network sentiment effects post the Ukraine war declaration on February 24,...

We consider the randomness of market trade as the origin of price and return stochasticity. We look at time series of trade values and volumes as random variables during the averaging interval Δ and describe the dependences of market-based volatilities of price and return on the volatilities...

We introduce two dimensions of uncertainty, about the upside and the downside of an asset, in a model of asset valuation under asymmetric information. This justifies capital structures with equity and risky debt for information revelation purposes. However, a capital structure with only one...