基本解釋[經(jīng)濟學]事后交易專業(yè)釋義經(jīng)濟學事后交易First of all, this thesis analyzes the composition of transaction cost and the influencing factors in transaction process of construction projects. The transaction cost is divided into ex-ante transaction cost and ex-post transaction cost.首先分析工程建設項目交易過程中交易費用的組成和影響因素,并將工程建設項目交易費用分為事前交易費用和事后交易費用。