经济学研究中的实践观问题张天行理论与实践相结合似乎已是人们的共识。然而，＂理论＂上的共识，在＂实践＂中却分岐百出。在经济理论家与实践家之间，这种分岐尤为明显。我们经常听到实践家指责理论是不切实际的空想、幻想、吃语；理论家则指责实践家是头痛医头，脚痛医... The concept of practice in the study of economics ZHANG Tian-line theory and practice seems to be the consensus of people. However, the consensus on “theory” is quite different in “practice”. This distinction is particularly evident between economic theorists and practitioners. We often hear that practitioners blame theories are unrealistic fantasies, fantasies, eating words;