本研究以Panel data靜態迴歸模型，探討影響台灣耳鼻喉科診所經營績效之因素，資料來自衛福部1998年至2012年共1,375間台灣耳鼻喉科診所的健保資料庫、內政部統計處及中華民國統計資訊網。本研究利用BP-LM Test、Hausman Test及Over-Identification Test of the Hausman Taylor Model (HTM) 篩選出合適的實證模型。
實證結果顯示，在診所可控制的內部資源中，醫師數、護理人員數的增加能夠為耳鼻喉科診所帶來更多的健保點數，這也隱含醫療人員的人力資源在耳鼻喉科診所是重要的資源。此外，首先在屬於政策的外部環境因素方面，總額支付制度雖然說對於診所的健保點數是有明顯的正向影響，但此制度讓診所面臨更劇烈的產業競爭，使得各診所為了獲取利潤，會傾向增加醫療服務量以便獲得較多的健保點數。再來是社會經濟方面，實證結果顯示失業率、法定傳染病患數與SARS爆發期間對於耳鼻喉科診所的點數有負向影響。

This study constructs a panel data regression model to examine the determinants affecting the operational performance of otolaryngology or ear, nose and throat (ENT in short) clinics using data for 1,375 such clinics in Taiwan covering the period from 1998 to 2012. The study employs the fixed-effects model (FEM) as the appropriate empirical model after conducting three tests including the Breusch-Pagan Lagrange multiplier (BP-LM) test, the Hausman test and the over-identification test of the Hausman-Taylor model.
The empirical results reveal that the numbers of physicians, nurses and the implementation of the Global Budget system have significant positive effects on the performance of ENT clinics. This situation implies that increasing the numbers of medical personnel could improve the efficiency of outpatient services and increase the numbers of points awarded to clinics. Furthermore, the implementation of the Global Budget system has a positive impact on the total number of points. The reason for this may be due to the phenomenon of supply-induced demand, which has led to a fiercely competitive market in the medical industry. On the other hand, the unemployment rate, the number of reported cases of infectious diseases, and the period of the SARS outbreak all a have negative impact on the total points earned by ENT clinics.

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