Showing 61 - 70 of 150
The current work tests, in the dress sector in the center of the country, a methodology based in the theory of uncertainty and the fuzzy subsets, in order to build laws of possibilities for the retreat of clients only with the subjective opinion given by experts. The contribution of the present...
Persistent link: https://www.econbiz.de/10011588325
This paper elucidates the conceptual role that independent randomization plays in non-cooperative game theory. In the context of large (atomless) games in normal form, we present precise formalizations of the notions of a mixed strategy equilibrium (MSE), and of a randomized strategy equilibrium...
Persistent link: https://www.econbiz.de/10011674009
In a remarkably short time, economic globalisation has changed the world's economic order, bringing new challenges and opportunities to SMEs. These processes pushed the need to measure innovation capability, which has become a crucial issue for today's economic and political decision makers....
Persistent link: https://www.econbiz.de/10011958462
This paper studies option pricing based on a reverse engineering (RE) approach. We utilize artificial intelligence in order to numerically compute the prices of options. The data consist of more than 5000 call- and put-options from the German stock market. First, we find that option pricing...
Persistent link: https://www.econbiz.de/10012150380
A standard test for weak instruments compares the first-stage F-statistic to a table of critical values obtained by Stock and Yogo (2005) using simulations. We derive a closed-form solution for the expectation from which these critical values are derived, as well as present some second-order...
Persistent link: https://www.econbiz.de/10011945785
Cryptocurrencies such as Bitcoin rely on a proof-of-work system to validate transactions and prevent attacks or double-spending. A new proof-of-work is introduced which seems to be the first number theoretic proof-of-work unrelated to primes: it is based on a new metric associated to the Collatz...
Persistent link: https://www.econbiz.de/10011960528
The existing literature documents that computer simulations can reveal how characteristics of micro-level individuals give rise to macro-level phenomena of systemic wholes. This paper seeks to establish such an important simulation-based observation as a theoretical result on a sound foundation....
Persistent link: https://www.econbiz.de/10012664732
Objective: The objective of the article is to present the concept of evolutionary algorithms and indicates the possibility of their implementation for the needs of the economy, especially the entrepreneurial economy. Research Design & Methods: This conceptual article relies on literature review...
Persistent link: https://www.econbiz.de/10012515915
Exposure to market risk is a core objective of the Capital Asset Pricing Model (CAPM) with a focus on systematic risk. However, traditional OLS Beta model estimations (Ordinary Least Squares) are plagued with several statistical issues. Moreover, the CAPM considers only one source of risk and...
Persistent link: https://www.econbiz.de/10012500129
The aim of this presentation is to develop a composite indicator, which should be consistent and reliable, to evaluate the physiological conditions of a group of patients on dialysis therapy. The composite indicators are developed based on key performance indicators. They have the advantage of...
Persistent link: https://www.econbiz.de/10012796053