st: about autocorrelation in regression

[rghuang <0034058@fudan.edu.cn>]

if i wanna to regression y with x1 x2 x3,and the residuals are autocorrelation.if the data is time series data,maybe i can use arima model or use -praise-,-newey- to deal with this situation,but if my data is cross-setional data ,what should i do ? thank you for any help !


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