To define window dressing in the state owned enterprises and private companies (Case study in Indonesia stock exchange LQ45)

Abstract

Window dressing in capital market can be defined as the activities of company to increase the stock price. This study was conducted to observe all the activities of window dressing in some companies listed in stock market. The detection of window dressing in this study was focused based on the samples from state owned companies (Telekomunikasi Indonesia Tbk, and Adhi Karya Tbk) and private sector from Astra Agro Lestari (Agriculture Industry). GARCH model was used while window dressing was analyzed by using the method given by Owens and Wu (2011). Results indicate that the best model to explain the behavior of volatility is AR(1)-GARCH(1,1). However, window dressing for three companies mentioned was occurred in 2014-2016; 2014 and 2016, respectively. In additional to that the t-test, was found to be significant for the three companies while the short-term average was above than the long-term average of the year.