Commercial aircraft lease has a large potential market in China.

With characteristics of present rural economy ,the paper analyzed the agricultural machinery’s funtion to agriculture and rural economy, explored a new type of agricultural machinery service—farming machinery lease and made a discussion on its feasibility and specific running model.

This paper introduces the basic definition and main form of aircraft leasing and discusses its main risk of Shanghai Airlines’aircraft leasing by describing and analyzing its current situation according to its complicated characteristics,.

A study of principal-agent model in the computer leasing market;