Abstract: At present， real estate is one of the most indispensible Land Appreciation Tax， being as a taxation lever of state macro-control upon real estate industry， plays an import role in regulating the appreciation income of real estate enterprises and restraining investment Land Appreciation Tax is powerful in guaranteeing the equitable distribution of income and improving the sound development of real Tax authorities at any level are demanded to implement the State Council’s notice and essence， attach great importance to the collection and management of Land Appreciation Tax， reinforce the tax liquidation and enhance tax regulation， meanwhile， combining pre-requisition system and enterprise Key Words: Land Appreciation Tax， Land Appreciation Tax Liquidation， Land Appreciation Tax pre-
CDO and CDS in the subprime crisis And the risk of transmission path the American subprime mortgage backed securities from the financial crisis is big crisis， derivatives in the subprime crisis in lanshi surge pushed the role， and the derivatives of debt guaranteed CDO (warrants in the US subprime crisis plays a vital This paper discusses the subprime derivatives of the structure and the structure of the risk of hidden behind， describes the risk of financial derivatives， and probes into the paths CDO spread from lending to market products is transmitted to the capital market， capital market， capital market and enlarge returned from the credit markets， Secondly the CDO， CDS product features to interpret the subprime crisis， and finally the role of with AIG crisis is analyzed with CDS for financial company CDO are summarized and the harm of the subprime crisis on the development of China's financial derivatives
