Hello everyone, I am currently conducting an empirical study as a part of my master thesis on the topic Cash Flow Forecasts. So I basically try different models and compare which model has the better explanatory power. I am performing OLS regressions cross- sectionally. However, since most of the models are univariate I want to (i) check if the parameter estimates of the different ratios are statistically different from each other and (ii) perform pair-wise tests to check which parameter estimate is more persistent than the others. Any suggestions how I can perform this tasks? Thanks in advance.
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