Surging exports and factory investment are buoying China’s output, but the housing market faces serious troubles and industrial policies may hurt other countries. Protectionism (Trade), International Trade and World Market, Factories and Manufacturing, Real Estate and Housing (Residential), Economic Conditions and Trends, Politics and Government, Gross Domestic Product, International Monetary Fund, China, United States, China Economy Surging exports and factory investment are buoying China’s output, but the housing market faces serious troubles and industrial policies may hurt other countries. NYT > Business