Complex sentence: Both organizations are now part of an umbrella organization, the CESifo Group, and a driving force in building bridges between economic theory and empirical research, promoting contacts between researchers from all over the world with the aim of making Munich a center of international economic research.
Split into simpler sentences: Both organizations are now part of an umbrella organization, the CESifo Group, and a driving force in building bridges between economic theory and empirical research. The CESifo Group promotes contacts between researchers from all over the world with the aim of making Munich a center of international economic research.