Event Study Regression Equation. Of event study methods. The form of the regression is htX htexpXβ where ht is referred to as an underlying hazard function.
Index on day i value of index on day i di because di 1 on that day which in turn sum j 1 to 21 value of index on day j dj because dj 0 if j i. Of event study methods. T 2 1 to T 3 is the post event window and L 3 T 3 T 2 is its length.
Let L_1 T_1 - T_0 1 the estimation window length with T_0 as the earliest day of the estimation window and T_1 the latest day of the estimation window relative to the event day and L_2 T_2 - T_1 the event window length with T_2 as the latest day of the event window relative to the event day.
A model regression equation allows you to predict the outcome with a relatively small amount of error. While the professions thinking about event study methods has evolved over time there seems to be relatively little controversy about statistical properties of event study methods. Also Political Scientist Gary King has some papers on this and also a very old Stata program called. Jan 04 2018 The Regression Equation A regression equation is a statistical model that determined the specific relationship between the predictor variable and the outcome variable.
