China has made great advances in its agricultural and rural development since the reforms and opening-up that began in 1978. It has not only fed its population of 1.3 billion, but has also contributed to international agricultural development and food security. Agricultural production registered...

"This book provides an overview of the rapid development Beijing has seen in a wide range of areas in 2019, both within itself and as an integral part of a larger region, as China's economic development continues to improve in overall quality and regional coordination. General reports on...

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...

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...

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...