The literature on macroeconomic agent-based models (MABMs) has gained growing attention since the early 2000s. Most MABMs dealing with market regulations have been focusing on the financial market. In contrast, only a small number of MABMs investigate the effects of labor market regulations. In...

This paper identifies endogenous and exogenous indicators of firms' investment activity, and examine, in particular, the effect that these variables have in co-determining firms' investment decisions. Two channels of spillovers from sovereign risk to firms' capital expenditures are defined. The...

A popular argument states that most of the diversification in a portfolio can be obtained with a rather small number of securities. In this paper we present three algorithms to approach the underlying NP-hard problem of portfolio optimization with a cardinality constraint. All three of these...

Eine von Praktikern f¨ur den US–amerikanischen Aktienmarkt häufig verwendeteFaustregel besagt, daß aus einem positiven Anstieg des Aktienindex innerhalb der erstenfünf Börsentage eines Jahres auf eine positive Entwicklung des Aktienindex fürdas gesamte Kalenderjahr geschlossen werden...