Liu, Min - In: Journal of risk and financial management : JRFM 14 (2021) 8, pp. 1-24
) and abnormal changes in profit margins (ABPM) to measure the uncertainty embedded in the accounting earnings. I measure … ABG (ABPM) as the difference between the current value of sales growth rate (profit margin) and its benchmark, a weighted … value of the three preceding years’ sales growth rate (profit margin). Then, I quantify whether and to what extent the news …