Numerous social events that take place in urban areas are good indicator of the local traditions and surroundings. This event based spatial information could be an important asset in characterizing the social environment of associated regions over time. In this work we imply a process to make sense of the geographic areas based on the events crawled from the Web. We provide end users the capabi...

This paper explores the general-equilibrium impact of social security portfolio diversiŽ cation into private securities, either through the trust fund or private accounts. The analysis depends critically on heterogeneities in saving, production, assets, and taxes. Limited diversiŽcation weakly increases interest rates, reduces the expected return on short-term investment (and the equity premium...

Human aging can only be understood within its social and historical contexts. It is largely determined by the complex interrelation of biological, cultural, social, political, and economic factors. Furthermore, the phenomenon of population aging can be considered as a social and economic burden or as an invaluable social asset if understood within the perspective of the enormous potential of ou...

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due to the fact that assets are recorded at their historical value and they may include unrealized gains (losses), managers may manipulate earnings through the sale of these assets and provide financial information which is not accurate and reliable. the aim of this study is to investigate the relationship between income from asset sales, earnings change and leverage of companies listed on tehr...

Traditionally, the real estate asset assessment is performed by experienced valuators, who take into account its economic, social, physical and locational aspects. Nowadays, the construction industry is becoming more and more influenced by the sustainability requirements. Therefore, the inclusion of the sustainability evaluation into real estate asset valuation is of utmost importance. The Neut...

In Brennan and Lo (2010), a mean-variance efficient frontier is defined as “impossible” if every portfolio on that frontier has negative weights, which is incompatible with the Capital Asset Pricing Model (CAPM) requirement that the market portfolio is mean-variance efficient. We prove that as the number of assets n grows, the probability that a randomly chosen frontier is impossible tends to o...