The spread of information technology and the digitalization financial services raise a range theoretical questions as structures banking industry undergo change. This change has intensified with impact COVID-19 pandemic which is already being observed. purpose this study therefore threefold: (1) to analyze IT on strategy functioning pre-COVID-19 sector; (2) challenges banks are facing in COVID ...

Developing Böhm-Bawerk’s (1914) Macht oder ökonomisches Ge-setz, we characterize the different intervention modalities as coercive «fixing» of prices, goods (quantities or modes performing) persons, also with their effects. Given that subjective but real forces underlying market processes respond effects which are opposite to those pursued, «intervener» controller would be induced an in crescen...

The aim of this paper is determination of an optimal policy rule for Iranian economy from an Islamic perspective. This study draws on an Islamic instrument known as the Musharakah contract to design a dynamic stochastic general equilibrium model. In this model the interest rate is no longer considered as a monetary policy instrument and the focus is on the impact of economic shocks on the Dynam...

Some analyses of the single pion production in -:::-N collision1> have been made to find the evidence of the boson isobars2> of the Sakata model. From these ar:alyses jt has been suggested that the boson isobar with I= 2, i.e. B41 (0, 2) of the Sakata model, exists and t as the 2-:::-decay mode. The B41 (0, 2) isobar is, then, expected to have the effect to the pionic decay of kaon. Especially ...

Constraints on downside risk, measured by shortfall probability, expected shortfall etc., lead to optimal asset allocations which differ from the mean-variance optimum. The resulting optimization problem can become quite complex as it exhibits multiple local extrema and discontinuities, in particular if we also introduce constraints restricting the trading variables to integers, constraints on ...

Using a model of substitutable goods I determine generic conditions on tastes which guarantee that fixed prices are not optimal: the fully optimal tariff includes lotteries. That is, a profit maximising seller would employ a haggling strategy. We show that the fully optimal selling strategy in a class of cases requires a seller to not allow themselves to focus on one good but to remain haggling...

This paper concentrates on stability properties of heterogeneous agent models which include trend traders. So far, papers have only described the models’ behaviour in the very long run. I propose an explanation for the phenomenon that computer simulations of these models regularly converge if certain parameter constellations are used. In particular, insights of physics concerning time-delayed f...