This dissertation contains applications of agent-based financial market models and nonlinear econometric methods in financial economics. The first part deals with the analysis of the effectiveness of currency transaction taxes within financial market models with traders with heterogeneous...

Extreme poverty reduction in sub-Saharan Africa is challenged by the region's high population growth, climate change, and armed conflicts. These recent years, social safety net programs have been considered as development policy tools to address poverty and improve households' welfare. However,...