Keywords: Capital asset pricing model (Capm) Capital asset pricing theory Finance theory Hedonic pricing Portfolio theory Residential rental real estate investment (RRREI) Security market line Systematic/unsystematic risk

In this paper, we present a software package for the data mining of Twitter microblogs for the purpose of using them for the stock market analysis. The package is written in R langauge using apropriate R packages. The model of tweets has been considered. We have also compared stock market charts with frequent sets of keywords in Twitter microblogs messages.

Electricity market designs that decentralize decision making for participants can lead to inefficiencies in the presence of nonconvexity or missing markets. This has been shown in the case of unit-commitment problems that can make a decentralized market equilibrium less efficient than a centrally-planned solution. Less attention has been focused on systems with large amounts of hydro-electric g...

Flexibility of small loads, in particular from Electric Vehicles (EVs), has recently attracted a lot of interest due to their possibility of participating in the energy market and the new commercial potentials. Different from existing works, the aggregation techniques proposed in this paper produce flexible aggregated loads from EVs taking into account technical market requirements. The produce...

In this paper we present a bottom-up modelling approach of electric power and CO2-certificate markets including a detailed modelling of renewables using agent-based simulation: The PowerACE model. It has been developed at the Institute for Industrial Production, the Chair for Information Management and Systems (University of Karlsruhe) and the Fraunhofer Institute for Systems and Innovation Res...

This article pursues two tasks. The first is to clarify the value and productivity of Williams’s Keywords: a vocabulary culture society (first edition 1976, second expanded 1983a) for project Cultural Studies. clarification helped, I argue, by reading it alongside Vološinov’s Marxism philosophy language (published in Russian 1929, translated into English 1973). related task speculative developm...