Columbia subject headings:
Harvard subject headings:
Europe--Economic conditions--21st century.
Europe--Social conditions--21st century.
Social problems--Europe--History--21st century.
Princeton subject headings:
Economic forecasting--Germany.
Europe--Economic conditions--21st century.
Europe--Economic policy--21st century.
Europe--Politics and government--21st century.
Germany--Economic conditions--21st century.
Germany--Economic policy--21st century.
Germany--Politics and government--21st century.
Social prediction--Germany.