Between 2000 and 2002, we followed 1621 individuals in Delhi, India using a combination of weekly and monthly-recall health questionnaires. In 2008, we augmented these data with another 8weeks of surveys during which households were experimentally allocated to surveys with different recall...

We consider a portfolio optimization problem in a Black-Scholes model with n stocks, in which an investor faces both fixed and proportional transaction costs. The performance of an investment strategy is measured by the average return of the corresponding portfolio over an infinite time horizon....

Gegenstand dieser Arbeit ist die Untersuchung von Finanzmarktmodellen, die für den An- und Verkauf von Finanzgütern anfallende Kosten berücksichtigen, sogenannte Transaktionskosten. Zentrales Thema ist dabei ein Portfoliooptimierungsproblem in einem Black-Scholes-Modell mit n Aktien bei...