We are pleased to announce that we are organizing the 4 th “International Workshop on Regional, Urban, and Spatial Economics in China” with the theme of “China's New Urbanization and Housing Market” on 6-7 June, 2015 at Hang Lung Center for Real Estate, Tsinghua University in Beijing, China. The objective of this workshop is to increase the visibility of regional, urban, spatial and housing economics in China and to develop a stronger research network for top level international and Chinese scholars. We welcome submissions on any research issues related this theme in China including the following topics:  1.Urbanization and urban development  2.Urbanization and housing market  3.Housing supply, demand and prices  4.Land and real estate economics  5.Labor market and inter-regional, rural-urban migration  6. Agglomeration and New Economic Geography  7.Urban transportation  8.Environmental and sustainable development  9.Papers enriching the understanding of urban, regional, spatial and housing economics in China