They typically include fields like sociology, economics, public health, anthropology, demography and political science. Diverse factors are involved in the production of waste, namely economy, demography and geography. Summers has also worked in international economics, economic demography, economic history and development economics. The cuisine of Thrissur is linked to its history, geography, demography and culture. The courses cover subjects including finance, financial mathematics, economics, contingencies, demography, models, probability and statistics. She has published research on population demography and immigration. Franklin had a major influence on the emerging science of demography, or population studies. In the 19th century major population movements altered the original Patagonian demography. Forecasting life expectancy and mortality forms an important subdivision of demography. Hillel Rapoport's research centres on the nexus of migration and demography, development and political economy. The peculiarities of Ireland's past demography and its recent rapid changes challenge established theory. His electoral success is irrespective of state, demography or culture. Immigration has altered the religious demography of Norway. Surveys are used to increase knowledge in fields such as social research and demography. Immigration law may also be used to manipulate electoral demography.