Economic conditions -- Economic forecasting -- 3 Social conditions -- 3 Economic policy -- 2 Business cycles 1 Competition, International 1 Debts, Public -- 1 more ... Economic aspects 1 Economic forecasting 1 Economic history -- 1 Economic policy 1 Effect of energy costs on 1 Equality -- 1 Forecasts 1 Income distribution -- 1 Industries -- 1 Inflation (Finance) -- 1 Investments 1 Investments -- 1 Military aspects 1 Military readiness -- 1 Petroleum industry and trade -- 1 Politics and government -- 1 Population 1 Population forecasting -- 1 Public opinion -- 1 Social aspects -- 1 Social indicators -- 1 Social prediction -- 1 Twentieth century -- 1 less ...