Such a revolution in the usually traditional art market was unprecedented. A further incentive to invest in oils was that, compared to ancient Chinese ink paintings, oils are more difficult to fake. Most painters of available works in oil are still alive, and the medium demands a more complex range of skills.
此外，相對於古代水墨畫市場假畫較多的情況，油畫創作者大都健在，而且油畫的入門門檻高，技法複雜，仿製難度大，也是得到國內外收藏家青睞的原因之一。