Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Use the daily data for IBM below. RIBM is the log retum of IBM adjusted closing prices. Lo you see evidence against the efficient market
Use the daily data for IBM below. RIBM is the log retum of IBM adjusted closing prices. Lo you see evidence against the efficient market hypothesis using 15 lags? plain excel sheet x ssx ret__bm= difflog(price_ibm)) dacse tek olvert x-apournd =18.355, df =19,p valne w0,3518 Box-t.jung text Late: Fet Ion 12 K-MMured =39.655,df=15, piratue =0.0005112 Yes, since the p-value 5% for the Box-Ljung Q test, reject the null hypothesis that returns are not correlated over time. Thus returns are predictable from past returns. Yes, since the p-value 5% for the BoxLjung,Q test, do not reject the null hypothesis that returns are not correlated over time. Thus returns are not Use the daily data for IBM below. RIBM is the log retum of IBM adjusted closing prices. Lo you see evidence against the efficient market hypothesis using 15 lags? plain excel sheet x ssx ret__bm= difflog(price_ibm)) dacse tek olvert x-apournd =18.355, df =19,p valne w0,3518 Box-t.jung text Late: Fet Ion 12 K-MMured =39.655,df=15, piratue =0.0005112 Yes, since the p-value 5% for the Box-Ljung Q test, reject the null hypothesis that returns are not correlated over time. Thus returns are predictable from past returns. Yes, since the p-value 5% for the BoxLjung,Q test, do not reject the null hypothesis that returns are not correlated over time. Thus returns are not
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started