Economic conditions -- Forecasting -- Social conditions -- 2 21st century 1 Case studies 1 Case studies -- 1 Chinese -- 1 more ... City planning -- 1 Civilization -- 1 Economic forecasting -- 1 Economic policy -- 1 Forecasts 1 Intellectual life -- 1 Politics and government 1 Relations -- 1 Social policy -- 1 Social prediction -- 1 Twenty First Century -- 1 less ...